Wera Joker 7870 S Self Adjusting Fork Wrench Interchangeable, Opening 10 13 mm, 9 x 12 7/16 1/2 57.7 mm

Square head insert tool 9x12 mm For torque wrenches from the Click-Torque X series with 9x12 mm mounting For hexagon screw heads and bolts with wrench sizes 10.0; 11.0; 12.0; 13.0 (metric) The adjustable 7870 Joker covers all metric and imperial dimensions in the respective field of application With mechanical ratchet functionality for fast and consistent screwdriving without removing the spanner, Weight: 0.12566348934 pounds, Manufacturer: WERA