OT1827
Material: Chromium vanadium steel (Cr-V)
Mounts (square sizes): 1/4", 3/8", 1/2"
Extension sizes:
1/4": 50 mm, 100 mm, 225 mm
3/8": 75 mm, 150 mm, 225 mm
1/2": 50 mm, 125 mm, 250 mm
