Specification: 10MM 20MM 25MM Diameter, 50MM workable length,M14 thread,Grit #50/60

Diameter : 10mm Total Length: 75mm； 

Diameter:20mm Total Length: 65mm；

Diameter: 25mm Total length 65mm

Application:

1. Enlarge, shape and/or round bevel existing holes in Porcelain, Hard Ceramic, marble and granite

2. Also available to make a hole directly, but not recommend to do this job. 

3. Used on angle grinder

Feature: 

1. Vacuum brazed technology provide high efficient working performance

2. Grit #50/60 provide you great finishing

3. Very easy to operate.