The320 grit diamond stone for the Work Sharp Benchstone sharp ener is an original replacement for the coarse grit diamond plate used in the Work Sharp Benchstone sharpener.
The 320 coarse-grain diamond stone is used to repair and sharpen a severely dulled cutting edge. The 12.5 × 152 mm diamond is used to replace a worn-out or lost sharpening plate in the Work Sharp Benchstone sharpener by itself.
The set includes 1 diamond plate of 320 gradation.