Specifications:
Size(inch/mm)
Diameter
Depth
1/4 X 1/4(6mm)
6.35
20
1/4 X 5/16(8mm)
7.96
1/4 X 3/8(10mm)
9.52
25
1、1/4 X 1/4(6mm) 2、1/4 X 5/16(8mm) 3、1/4 X 3/8(10mm) Package Included: