Uxcell a15111200ux0367 Cylindrical 180 Grit Nylon Fiber Grinding Wheel Grinder Tool Gray 3Pcs, Main material: nylon fiber; Package Content: 3Pcs x grinding wheel Product Name: grinding wheel Weight: 84G Overall size: 7.7 x 1.9cm/ 3" x 0.75"(D*h) Type: 180#