Wera 9642 Magnetic Rail 6003 Joker 1 Combination Wrench Set SAE 05020235001Ring spanner set, 8 piece set, imperial sizes; on a magnetic rail. With its combination of the 7. 5 offset open end and the double hexagon geometry, the Joker 6003 doubles the placement points. A repeated 180 turn of the wrench around the longitudinal axis during screwdriving provides four placement possibilities, and bolts or screw heads can be engaged every 15. This makes screwdriving much easier, especially in confined spaces. The slim yet robust