1、Made of high quality diamond for maximum durability, wear resistance and high strength. 2、The diamond pen has a radial angle of 15 degrees between the shaft direction and the grinding wheel for dressing. 3、When dressing, the general stroke is 0.02-0.04 mm, the speed should be uniform. 4、Ensures the accuracy and surface finish of the machined parts, easy to use. 5、Compared with the traditional dressing tool, it has more durable and higher wear resistance. Features: Made of high quality diamond for maximum durability, wear resistance and high strength. The diamond pen has a radial angle of 15 degrees between the shaft direction and the grinding wheel for dressing. When dressing, the general stroke is 0.02- 0.04 mm, the speed should be uniform. Ensures the accuracy and surface finish of the machined parts, easy to use. Compared with the traditional dressing tool, it has more durable and higher wear resistance. Specification: Diameter: 10mm / 0.4in Length: 45mm / 1.8in Diamond particle: 0.15, 0.2 (Optional) Package List: 1 x Diamond Dressing Tool Note: Cooling fluid should be added when dressing grinding wheel. It is forbidden to cool quickly after heating.