Specification:
. Contents: 8mm x 80grit, 12mm x 60grit, 20mm x 60grit with 1/4″ Dr Quick Change Shank
. Material: Silicon Carbide
. Total Length: 150mm
. Recommended Speed : 300-700rpm

Features:
Use with hand drills.
Recommend to use with honing / grinding oil.
Different abrasive types meet various needs of surface finishing, hole deburring and edge bending of cylinder.