Drop Forged from Carbon Steel/Chrome Vanadium steel with opening set at an of 15° for comfortable approach. Fully hardened and tempered to sustain higher "Torques". The Spanners are based on BIS/DIN/ANSI specifications. Rich Nickel Chrome Plating enhance surface protection and life. Fully polished or matt finish, the ultimate choice is yours! Whether in bone section or collared head pattern, Venus always does it right!