Material: Housing made from alloyed steel. 54 spring-loaded hardened steel pins. Drive: DIN 3120, style C 10. Application: Replaces nuts from 7 mm to 19 mm. Regardless of whether inch or metric dimensions. The 54 steel pins fit every nut or screw with an external profile. For screws up to a height of 8 mm. Extra: The gripper also works on hooks or eyebolts. Enables a torque transmission of up to 80 Nm.