Proxxon (23821) SlimLine Combination 15-Piece Wrench Set with Tool Holder SlimLine wrenches made of finest chrome vanadium steel with surface protection of double nickel plating and single chrome plating satin finish SlimLine pattern provides extra clearance in tight areas Wrenches are clearly labeled to make them easy to find 15 Degree offset open end allows for finger room in tight spaces Plastic holder with slot for each wrench and holes for attaching to a wall