20 Pcs Diamond Grinding Bits 4mm Cylinder Head Grinding Bit Diamond Set for Most Tool Bit Grinder

Colour: Silver Material: Diamond Package Contents: 20 x Diamond Grinding Bit Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.