Hapstone PlaneShift Series includes components of Hapstone RS (such as stone holders or clamp system) adopted for other sharpening systems: PPA, WSPA, KME, Wicked Edge.Universal Stone Holder for Work Sharp Professional Precision Adjust is equipped with a digital angle gauge...

6" Stone Holder for Professional Precision Adjust allows using any 6" sharpening stones including Venev Centaur and Venev Ursa Series dual-side diamonds, and any Edge Pro form-factor stones (with mounting).Note. It's very important to keep a sharpening angle consistent. The...

Work Sharp Precision Adjust is a fantastic sharpener. However, it's limited by stock sharpening stones mounted on the proprietary holder.Premium 4" Stone Holder for Work Sharp Precision Adjust overcomes the limitation. As of today, you may use any 4" sharpening stones...

Advanced Stone Holder for Work Sharp Professional Precision Adjust equipped with a linear ball-bearing offers a new level of precision and comfort. The advanced stone holder lets you achieve flawless results even with challenging tasks.Universal Stone Holder allows using ANY...

Owners of Wicked Edge sharpeners were always limited by proprietary form-factor sharpening hones. 6" Stone Holder for Wicked Edge overcomes this limitation. Now you may use thousands of existing 6" sharpening stones and reduce the cost of ownership.LE Series stone...

2nd Generation of LE Series stone holders is unbreakable.Work Sharp Precision Adjust is a fantastic sharpener. However, it's limited by stock sharpening stones mounted on the proprietary holder. 4" Stone Holder for Work Sharp Precision Adjust overcomes the limitation. As of...

Work Sharp Precision Adjust is a fantastic sharpener. However, it's limited by stock sharpening stones mounted on the proprietary holder. 6" Stone Holder for Work Sharp Precision Adjust overcomes the limitation. As of today, you may use any 6" sharpening stones...

6" Stone Holder for KME allows using Edge Pro form-factor stones and other 6" sharpening stones such as Centaur and Ursa series from Venev.Important! Before you make a purchase, please keep in mind this stone holder cannot eliminate fundamental constraints...

4" Stone Holder for KME is an alternative stone holder with better grip and capable to hold stones with imperfect flat ends.

Work Sharp Precision Adjust is a fantastic sharpener. However, it's limited by stock sharpening stones mounted on the proprietary holder.6" Stone Holder for Work Sharp Precision Adjust overcomes the limitation. As of today, you may use any 6" sharpening stones including...

Revision 3 Owners of KME sharpeners were always limited by sharpening stones form-factor. The Universal Stone Holder overcomes the limitation. As of today, you may use thousands of existing sharpening stones. Your life will change forever.Universal Stone Holder for KME allows...

Owners of Wicked Edge sharpeners were always limited by proprietary form-factor sharpening hones. Hapstone Universal Stone Holder for Wicked Edge overcomes this limitation. Now you may use thousands of existing 6" and 4" sharpening stones and reduce the cost of ownership.Hapstone PlaneShift...

Lansky knife sharpener is limited by stock sharpening stones mounted on the proprietary holder. 4" Stone Holder for Lansky overcomes the limitation. As of today, you may use any 4" sharpening stones including Venev Cerberus and any KME form-factor stones.The...