Sizes 6" - 18" = DIN 3117 Form A, jaw set at 15°
Size 24" = DIN 3117 Form B, jaw set at 22,5°
Swedish pattern, roller with left hand thread
No. 60 P with scale
Sizes 6" - 12" made from GEDORE vanadium steel 31CrV3
Sizes 15" - 24" made from heat-treated steel EN 10083
Phosphate finish, polished heads