uxcell 100mm 4-inch Outer Dia Wool Felt Polishing Wheel Discs Pads Beige 5pcs Main Material: Wool, Plastic; Package Content: 5pcs x Wool Felt Polishing Wheel Product Name: Wool Felt Polishing Wheel; Weight: 168g Main Color: Beige, White; Overall Size: 100mm/ 4"(Outer Dia Approx.) Inner Dia(Approx): 16mm/ 0.63"; Design: Plastic Lid Edge Thickness: 8mm/ 0.3"