The 1/2" x 10" Replacement Belt Kit is for Knife Sharpener (model WSCMB) and do not work with other Knife Sharp products. Size: 1/2" * 10" Package Include: 4 pcs 80 Grits Belts (Zirconia) 4 pcs 120 Grits Belts (Zirconia) 4 pcs 240 Grits Belts (Alumina) 4 pcs 400 Grits Belts (Alumina) 4 pcs 1000 Grits Belts (Silicon Carbide) 4 pcs 1200 Grits Belts (Silicon Carbide) Features: Mix of Zirconia, Alumina and Silicon Carbide to take every edge from dull and dangerous to SCARY SHARP. The best for hogging, grinding and shaping your knife or other tool sharpening. Anti clogging compounds resist loading up. Industrial grade resin bonding extends the life of these belts. Stable and strong joints.