3mm 1/8 Shank 4mm Dia Cylinder Head Mandrel Mounted Grinding Point Pink 20pcs

Designed with mandrel mounted metal shank chrome corundum head. Features: high hardness abrasion resistance sharp uniform particles. Make polished goods clean and bright best used for various mould metal wood jade agate etc. Fits most normal rotary tools for sanding grinding polishing sharpening deburring. Can be used with electric drills electric grinders or other rotary tools.