Low Speed Pneumatic Grinding Head Alloy Tungsten Steel Grinding Wheel $ 7.11 Product information: Specification: round 32 * 3 round handle, round 32 * 3 hexagon handle, round 32 * 7 round handle, round 32 * 7 hexagon handle, round 50 * 7 round handle, round 50 * 7 hexagon handle Type: round alloy grinding head Use: special for low speed grinder Model: 50 * 7MM Packing list: Wheel head * 1