Version:
Forged from high quality steel, internally bevelled for easy fitting to bolt heads. Close tolerance internal square for secure fit on the tool. Square socket drives to DIN 3120.
Close tolerance widths across flats protects nuts and bolt heads. Thin walls for access to restricted places. Hexagon with AS drive profile protects the corners of nuts and bolts.
Standard:
DIN 3124
Material:
HPQ® high performance steel, chrome-plated (non-flaking).