SKU: 82489090813

Gearwrench 89620 20 Piece 1/4 Inch Drive Torque Screwdriver Set 10-50 in/lb Range Locking Adjustment Collar Nut Driver Bits Electrical Service Kit

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Description

Gearwrench 89620 20 Piece 1/4 Inch Drive Torque Screwdriver Set 10-50 in/lb Range Locking Adjustment Collar Nut Driver Bits Electrical Service KitMaster Precision Electrical Connections with Professional Grade Torque Accuracy The GEARWRENCH 89620 20 Piece 1 4" Drive Torque Screwdriver Set is a specialized precision instrument designed specifically for electrical service, industrial assembly, and sensitive equipment maintenance. Providing a critical torque range of 10 to 50 in lb, this tool ensures that electrical connections and fasteners are tightened to exact manufacturer specifications,

Master Precision Electrical Connections with Professional Grade Torque Accuracy

The GEARWRENCH 89620 20 Piece 1/4" Drive Torque Screwdriver Set is a specialized precision instrument designed specifically for electrical service, industrial assembly, and sensitive equipment maintenance. Providing a critical torque range of 10 to 50 in/lb, this tool ensures that electrical connections and fasteners are tightened to exact manufacturer specifications, preventing the risks associated with under-tightening or stripped threads. The screwdriver features a solvent-resistant co-molded handle that offers a comfortable, non-slip grip even in oily environments, while the high-visibility scale markings allow for rapid, error-free adjustments on the fly.

Engineered for efficiency and durability, this set includes a versatile array of 19 specialized bits and long nut drivers, all crafted from high-strength alloy steel with a black phosphate finish for superior corrosion resistance. The integrated locking adjustment collar secures your desired torque setting to prevent accidental changes during high-repetition tasks, and the 1/4" quick-release bit holder makes swapping between Phillips, Slotted, and Square drives seamless. Meeting or exceeding ASME B107.300 standards, this set is housed in a rugged blow-mold case, making it an essential addition to any professional electrician’s or technician’s mobile diagnostic kit.

Key Features

  • Precision Accuracy: Delivers a torque accuracy of +/- 6% in a clockwise direction for critical fastening.
  • Locking Adjustment Collar: Safely locks in your specific torque setting to ensure consistency across multiple fasteners.
  • High-Visibility Markings: Easy-to-read scale allows for precise increments of 1 in/lb.
  • Quick-Release Bit Holder: Universal 1/4" drive tang allows for rapid bit changes and compatibility with standard 1/4" hex bits.
  • Professional Durability: Solvent-resistant handle and alloy steel construction built for the rigors of industrial use.
  • Compliance Standards: Meets or exceeds ASME B107.300 and ANSI load/cycle requirements.

What's Included

  • (1) 1/4" Drive Torque Screwdriver (10-50 in/lb)
  • (7) Long Nut Drivers: 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 1/2"
  • (4) Phillips Bits: #1 (x2), #2 (x2)
  • (4) Slotted Bits: 3/16" (x2), 1/4" (x2)
  • (4) Square Bits: #1 (x2), #2 (x2)
  • (1) Heavy-Duty Blow Molded Storage Case

Specifications

Brand GEARWRENCH
Model Number 89620
Piece Count 20
Drive Size 1/4 Inch
Torque Range 10 - 50 in/lb
Increments 1 in/lb
Accuracy ± 6% Clockwise
Overall Length 16 Inches
Material Alloy Steel
Finish Black Phosphate
Weight 2.05 lbs
Case Included Yes (Blow Mold)

Pro-Tip: To maintain the accuracy of your torque screwdriver, always turn the setting back to the lowest value (10 in/lb) before storing it in the case. This relieves the internal spring tension and ensures the tool stays within calibration for its next use.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 82489090813

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4.1 ★★★★★
Based on 16 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Birmingham, US
★★★★★ 1
No for aggressive chewer waste of money
Color: Blue/Medium, Size: Blue, Color: Blue/Medium, Size: Blue
Within 10 minutes she destroyed it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
M
Verified Purchase
Maria M.
Louisville, US
★★★★★ 5
Favorite toy!
Color: Orange/Large, Size: Orange
My dog lives these!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
S
Verified Purchase
Shorty & Lily's Mom
West Palm Beach, US
★★★★★ 5
Takes a beating - looks like new!
Color: Blue/Medium, Size: Blue
EDITED AGAIN, 12/28/22: My boy still has his original blue one of these and the yellow one from way back. He's received a couple more over the years which he's managed to sneak out of the house and lose - evidently neighbor dogs or perhaps foxes, etc love them, too, and carry them off?! At any rate, he'd managed to get himself back to his original two, so I bought him a late Christmas present of a new yellow bone. He just opened the package (with help, of course - he's smart, but lacks the necessary opposing thumbs to do it on his own) and he was ecstatic! He reached into the mailing envelope, grabbed it, gave it a couple of triumphant tosses then ran for his bed, pulled a blanket in, and has been chewing, fighting with, burying in the blanket and "discovering" it for about a half hour now! I don't know what the attraction is, but he still loves these things and they're still lasting! The only other toys that have lasted more than a day are Nylabones (because he won't even look at them, let alone touch them) and a set of interlocked skinny rubber rings that he's not at all interested in, but if I ask about them, he'll move them around the room for a couple of days to make me feel better! LOL EDITED TO ADD 2022: Here I am, back 5 1/2 years later to say my dog STILL has this bone and makes use of it a couple of times a week. And he still loves it and sleeps with it. He has gone through a couple of the smaller version (yellow instead of blue) over this time frame because those get constant use. But that’s amazing in itself!! These are still the only toy I would call indestructible. Great toy! I have a dachshund who destroys toys in record time. I can hear the amused chuckles now, but anyone who has seen him in action (including rottie, pit bull and Doberman owners) is in awe. He is very methodical and relentless - the mad genius of dog toy torture! Small and quiet but utterly ruthless. Anyway...my boy has been working on this since the beginning of October and the thing looks like new! I think you can see one tooth mark, otherwise it looks untouched! This is a dog who can reduce Kongs and other rubber toys to a pile of chunks in minutes. But he also LOVES it - carries it around, brings it into his bed at night to sleep, and when his doxie brother (who is far too dignified to do dog toys) doesn't feel well, it is offered up as a "feel better" snuggly...for about 2 minutes. But it's the thought that counts, right? I don't know what makes this so attractive to my mini-Jaws and so long-lasting, but it works!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 3, 2017
M
Verified Purchase
Michael & Challice R.
Cuba, US
★★★★★ 5
HEAVEY Duty!
Color: Blue/Medium, Size: Blue
Almost not destructible! My dogs chew through 99% of the toys we purchase, but never this one! The medium size is good for our Doberman with jaws of steel!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
A
Verified Purchase
ARAW
Birmingham, US
★★★★★ 5
Great chew toy to keep around the house
Color: Blue/Medium, Size: Blue, Color: Blue/Medium, Size: Blue
This came highly recommended by the behavioural team at the animal shelter and it hasn't disappointed. It's interesting reading the reviews, because our power-chewer pit-mix who can get a chunk off a split antler in a matter of minutes, hasn't ever been able to get a bite out of this bone! This is a great play toy for her, because it's soft enough that we can throw it for her to fetch in the house without worrying about breaking/denting something and are able to pull it out of her mouth fairly easily once she brings it back (still hasn't learned "drop it!"). The bone isn't flavored, so she'll rarely go to it on her own to chew on, but we keep it near the couch so if she ever gets bitey, we have it close at hand to offer to her as a chewer. It's also entertaining to tuck it into her collar and have her figure out how to remove it to play with it (see photo for this game and size compared to 50lb mutt).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 15, 2017

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