STW - Felt Polishing Buffing Points/Polishing pad Pack Of 40 Fit Dremel 40 Pcs polishing cone with mandrel been selected,good quality The 3/8" Felt Polishing Point is made to take a semi-rough finish and polish it to a smooth finish. Ideal for general polishing of most ferrous metals, stones, glass and ceramics. size: 3/8" (9.5mm)Shank dia. 1/8"3.175mm