Méretek:
L = 28 mm: 5/16 ", 3/8", 7/16 ", 1/2", 9/16 ", 5/8",
L = 30 mm: 11/16, 3/4 ″, 13/16 ″, 7/8 ″, 15/16 ″.
Anyaga: Cr-V