1. High-quality diamond + carbon steel matrix
The service life is 5~8 times that of ordinary glass hole openers, with good wear resistance and durability, and can withstand the test of quality of use
Material High-quality diamond + steel matrix
Specifications 22-23mm
Diameter 22-23mm
Handle diameter 7.6-7.7mm
Maximum cutting depth 20
Surface treatment Electroplating
Handle length About 25mm
There are no reviews yet.