For torque spanner, article no. 4000 821 775, 4000 821 776, 4000 821 777, 4000 821 778, 4000 821 781 and 4000 821 789, 4000 821 790, 4000 821 791, 4000 821 792, 4000 821 793. High-precision and stable. For clockwise ratcheting. Made of CV steel