● Dimensions:
．Outer hex dimensions: 41, 38, 35, 33 mm
．Inner square dimensions: 21, 20, 19, 17 mm
● Sleeve length:
．17, 19, 20, 21 mm
．33, 35, 38
．41 mm
● Material: Chromium molybdenum steel
● Accessories:
．Storage box
．9 rings and pins each
● Weight: 6.2 KG