Width of Head (b2):- 64 mm Drive Connector Square (Male):- 3/4 inch Height of Head (a2):- 35,5 mm Drive Connector Rectangular:- 14 x 18 mm Angle:- 7,2 Degree Depth Gauge (C, L):- 33 mm Packing Unit:- 1 Piece Weight:- 0.78 kg Drive Connector Square (Male) Nominal Size:- 20,0 mm Continuous Load:- 3/4″ = 400 N·m