SKU: 87658912899

TSPROF K4 Sharpening System

Sale price$758.23 Regular price$842.48
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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2

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Description

TSPROF K4 Sharpening SystemHighlights Most sophisticated & innovative sharpener in the TSPROF line. Ultraprecise angle control: Rough, fine & ultrafine adjustments. Builtin Axicube Shift electronic angle finder with quickdetach rail & magnet mounting. Quick clamps that provide 300 N clamping force. Detachable clamping arm: inspect edge under microscope without losing angle settings. Description TSPROF K4 is engineered for those seeking the highest precision in knife sharpening.

Highlights
  • Most sophisticated & innovative sharpener in the TSPROF line.
  • Ultra‐precise angle control: Rough, fine & ultra‐fine adjustments.
  • Built‐in Axicube Shift electronic angle finder with quick‐detach rail & magnet mounting.
  • Quick clamps that provide 300 N clamping force.
  • Detachable clamping arm: inspect edge under microscope without losing angle settings.
Description

TSPROF K4 is engineered for those seeking the highest precision in knife sharpening. The system combines advanced mechanics with ease of use. Key features include:

  • Three‐stage angle adjustment:
    1. Rough adjustment (±1° accuracy) via an extendable slider.
    2. Fine adjustment (±0.1°) using rack & pinion mechanism.
    3. Ultra‐fine micro adjustment (±0.01°) ideal for finishing & fine abrasives.
  • Angle range from 9° to 39.5° per side, accommodates large blades (up to 430 mm / ~17") in length.
  • Strong and stable structure: stainless steel + brass moving parts; robust base, designed for minimal deflection even under load.
  • Tool includes a thickness compensator for switching abrasives without losing the angle setting.
Starter Kit Inclusions
  • TSPROF К4 body with integrated base
  • TSPROF abrasive holder with detachable electronic angle finder Axicube Shift
  • TSPROF Quick clamps, black - 2 pcs.
  • Spare parts
  • Packaging: hard case with a foam insert
Specifications
Sharpening angle 9° – 39.5° per side
Knife length up to 430 mm / 17" in.
Angle setting precision up to 0.01°
Abrasive length up to 210 mm / 8.3" in.
Knife spine thickness 1 – 7 mm / 0.04" – 0.28" in.
Clamping force up to 300 N
Sharpener weight 5.85 kg / 12.9 lbs
Base weight 2.95 kg / 6.5 lbs
Angle adjustment levels 3 (rough, fine, ultra-fine)
Moving parts materials stainless steel, brass
Angle finder charging USB Type-C
Component Breakdown
  • Turning mechanism: Allows only 0.1° of arm deflection at a force of 30N. Ability to fully lock the flip will be useful during the reprofiling of the knife when it is subjected to heavy loads and vibrations, as well as when sharpening particularly long blades, when additional protection against accidental flipping is needed.
  • Three-stage angle adjustment:
    - rough adjustment (accuracy up to 1°) with an extendable slider;
    - fine adjustment (up to 0.1°) with a rack and pinion mechanism;
    - ultra-fine adjustment (up to 0.01°) with the micro-adjustment unit.
  • The arrangement of the sharpening system parts allows you to set the sharpening angle in the range from 9° to 39.5° per side, for knives up to 430 mm in length.
  • Thickness compensator: Height adjuster is equipped with a removable stone thickness compensator. It provides a quick adjustment of the angle during stone change.
  • Abrasive holder: Provides increased mounting security and ensures immobility of the elements during operation. Instead of point locking with a screw, the mechanism now uses surface locking through cylindrical sleeves with holes. This reduces the force required to secure the elements and eliminates the possibility of the rod surface damage.
  • Rod parking: K4 carries over the stroke limiter and L-shaped piece from the K03, while introducing an upgraded parking system.
  • New detachable Axicube Shift: Axicube Shift sits on the far abrasive stop. It can be quickly and easily removed to reduce abrasive weight during sharpening and for easy charging away from the sharpening system. The new mounting, featuring a special rail in combination with a locking screw and a magnet, provides an easy and secure attachment of the angle finder for accurate measurement of the sharpening angle. Axicube-i can be charged via USB Type-C cable.
  • Quick clamps: Can securely hold knives up to 7 mm thick. They provide a fast and tool-free usage and a 300 N clamping force. Designed with finite element analysis, the clamps' structure evenly distributes stress for uniform jaw closure.
  • Removable clamping arm: The new removable design of the clamping arm will become your favorite feature of the K4. No need to take the knife out of the clamps or try and repeat its position and set the same sharpening angle anymore.
  • Rigid body and stable base: It attaches to the milled base with three rigid quick-release screws. Thanks to its shape, weight, and wide, slim shock absorbers, the system remains stable during sharpening.
Manual

Video

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: 87658912899

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M. P*****k
Massapequa, US
★★★★★ 1
DO NOT BUY! DO NOT BUY! DO NOT BUY!
Color: Black, Color: Black
Absolute garbage chair. Only had for six month and the mesh on the seat has already come apart after using it for my home office. Chair was squaking after only three months and now I can't even sit in it cause it sags. Can't even get my money back for this cheap garbage.
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Reviewed in the United States on May 7, 2026
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Travel A-Broads
Natrona Heights, US
★★★★★ 5
Just What I Needed for My Home Office
Color: Black
I’ve been very happy with this office chair. It was straightforward to assemble, feels sturdy, and offers excellent support for long hours at my desk. The adjustable lumbar support, armrests, and headrest make it easy to customize for a comfortable fit, and the mesh design helps keep the chair breathable throughout the day. Overall, this chair is comfortable, ergonomic, and a great value for a home office setup.
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Reviewed in the United States on May 21, 2026
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Rachel Harrell
San Leandro, US
★★★★★ 5
Great chair for my gaming husband
Color: Black
My husband loves this chair. He is 6’ 4” and he has room in this chair. It is super comfortable and easy to put together. This chair is sturdy and worth every penny.
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Reviewed in the United States on June 7, 2026
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Lgallegos
San Leandro, US
★★★★★ 4
OK for basic Office chair
Color: Black
Positives:Comfortable chair, decent lumbar support. Negatives: no height adjustment for seat or tilt. Handles spin to sides with the slightest touch. Will try to figure out how to securehandles in place. Period good entry level office chair, should have ordered more of an upgraded chair.
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Reviewed in the United States on April 19, 2026
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Janis Giles
Cuba, US
★★★★★ 5
Great daily chair
Color: Black, Color: Black
This is a great chair and very comfortable. I'm hard on fabrics and the material is excellent for me. I didn't think I would like the headrest (because I've never had one), however, I enjoy it's use at times. The wheels roll very easily and the seat height is perfect. The seat is easy to keep clean. I've had this chair for 3 months with daily use and it looks brand new. I would buy this chair again.
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Reviewed in the United States on April 21, 2026

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