It's available in different stone bundles

Estimated grit for the stone is 6000-8000 JIS

BBW is natural slate with a high garnet content

Tuffite stones always have a black and grey pattern

Hydra was launched in the pre-OCB era with the legacy binder in all grits

leading edge core upgrade for work sharp ppa back-in-stock It's available in different stoneLeading Edge Core Upgrade enhances the capabilities of WorkSharp Professional Presicion Adjust knife sharpeners with features of the Leading Edge sharpening platform. Core Upgrade offers a magnetic working table with a three point knife guide and can be extended with Leading Edge attachments. Core Upgrade utilizes a magnetic block 1. 5 x 0. 5 x 0. 25 inch with powerful N52 grade neodymium magnets. Knife Guide allows you to position a knife precisely