Feature●Color : Off White, Silver Tone;Head Diameter : 5mm/ 0.2"●Product Name : Felt Bobs;Material : Felt, Metal●Color : Off White, Silver Tone;Head Diameter : 5mm/ 0.2"●Head Length : 9mm/ 0.35";Shank Diameter : 3mm/ 0.118"●Package Content : 12 x Felt BobsDescription Ideal for polishing and buffing jewelry, soft metal, wood, plastic, etc.