110 pcs. Wool Grinding Head Wheel for Rotary Grinding and Polishing 12xShank Description: Made of wool and metal, used with polishing pastes to achieve a high-quality surface finish on all dies and molds. Package: the box contains 12 pieces of shanks and 110 pieces of wool grinding head wheels (30 pieces of large cylinder, 50 pieces of small cylinder and 30 pieces of cone). Lightweight and portable design for precise work. Ideal for smoothing interior surfaces, burrs for polishing. Installed on the die grinder, rotary grinding and polishing tool, apply to all metal materials and other non-polishing products, accurate surface finishing. Suitable for pneumatic electric rotary grinder, used for polishing all kinds, electronics, glass, equipment, gold and jewelry, metal itp. Size Chart: Large cylinder size (Dia. xThickness): approx. 25x6mm/0.98x0.24 inch Small cylinder size (Dia. xThickness ): approximately 13x6mm/0,51x0,24 inch Cone size (Dia. xH . x H ): ok . 10x20mm/0.39x0.79 inch Fixed stem diameter: ok. mm /0.13 inch The package includes: 30 pcs. Wool grinding head with large cylinder 50 pcs. Small Cylindrical Wool Grinding Head 30 pcs. Conical wool grinding head 12 pcs. Fixed grips