Open end inserts; where height limits accessibility; Sizes in metric and imperial; Receivers in 9x12, 14x18, 24x32 and 27x36; High performance alloy steel; Useful with 7435, 7465, TAWM9,14,24, TAW9,14,24 & IZO-D- torque wrenches; Length values with * alter the torque length and torque setting value needs to be calculated