10 Pcs 3mm Steel Shank Polishing Wheels 16mm Diameter Hard Cone Felt Bobs Product Name : Felt Bob;Density : Hard Head Size : 16 x 22mm / 0.55" x 0.87" (D*L);Shank Diameter : 3mm / 0.118" Total Length : 50mm / 1.97";Material : Felt, Metal Color : White, Silver Tone;Weight : 37g Package Content : 10 x Felt Bobs