3-3/4", 4-1/4", 3-7/8", 4-1/2", 5-3/8"
21 mm, 55 mm, 19 mm, 26 mm, 36 mm
Imperial, Whitworth, Metric, SAE, SAE/Metric
Chrome Vanadium Steel, Drop Forged Carbon Steel, Aluminium Bronze, Beryllium Copper, Alloy Steel
Chrome, Satin, Mirror, Full Polish, Black Chrome
DIN3113, DIN 3113., BS192:1982.
DIN 3113, ASME B107.6., DIN 3113B