Specification
M16 115 *47 *24 (0.80KG)
Increase M16 133*54*27 (1.15KG)
M18 133*55*25 (1.14KG)
M20 148*66*30 (1.75KG)
Precision forging M20 147*66*28 (1.68KG)
M24 200*82*34 (3.65KG)