Boride T2 series stones are made of aluminum oxide

folding knives of various shapes and sizes

or Dan's honing oil)

Standard screws designed for blades up to 6 mm thick

Unlike the Pro version

leading edge core upgrade for tsprof k03 and kadet new-variants Boride T2 series stones areLeading Edge Core Upgrade enhances the capabilities of TSProf K03, TSProf Kadet, and Toohr 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. The working surface is coated with a synthetic rubber