Wera 9640 Magnetic Rail 6003 Joker 1 Combination Wrench Set Metric 05020233001Ring spanner set, 11 piece set, metric sizes; on a magnetic rail. With the 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