uxcell 3mm Shank 6mm Diameter Cylinder Polishing Buffing Mounted Felt Bobs 12 Pcs Product Name : Mounted Felt Bob;Felt Size : 16 x 6mm / 0.62" x 0.23" (L*D) Shank Diameter : 3mm / 0.1";Total Length : 43mm / 1.6" Material : Felt, Metal;Color : Beige, Silver Tone Weight : 26g Package Content : 12 Pcs x Felt Bob