-Head Shape:Sharp/Cylinder

-Shank diameter:3/32''(2.35mm)

-Available size: 0.8mm, 1mm, 1.2mm, 1.5mm, 1.8mm, 2mm, 2.5mm

-7Pcs 0.8/1/1.2/1.5/1.8/2/2.5 mm mixed set  : 0.8mm, 1mm, 1.2mm, 1.5mm, 1.8mm, 2mm, 2.5mm One of each.

-Suitable for carving, drilling, grinding on ceramics, glass, stone, jade

-Use water as a coolant

Function: the bar with larger diameter is mainly ground, while the bar with smaller diameter is mostly used for drilling in addition to the grinding function.