10 pieces Oilstone Whetstone Grindstone 1/8 1/4 1/2 inch Engineered Abrasives P600 P400 P320 P220 P150

Size:

1/4"*1/2"*6" -- 6*12*150mm
1/8"*1/2"*6" -- 3*12*150mm
1/8"*1/4"*6" -- 3*6*150mm

Grit size:

600# 400# 320# 220# 150#

Application:

America Boride engineered abrasives oilstone is for mold specially, and the vacuum oil leakage treatment, greatly improve the grinding and polishing effect.