ITEM NAME:Diamond Wheel Dresser Head, 40 x 10 mm A7N5 Diamond Wheel Dresser Head, 40 x 10 mm A7N5 Heavy duty diamond coated head with knurled handle for secure grip Dresses across the width of grinding wheels to give a flatter surface Dresses acorrosion resistant across the width of grinding wheel to give a flatter surface. Restores and prolongs the life of grinding wheels. for secure grip For Grinding Wheels colour: Silver Material: Diamond size: 40x10mm Package Contents: 1x diamond wheel dresser Only the above package content, other products are not included. Note: Light shooting 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.