M-Wave head wrench. Always handy to have with you on the road is this M-Wave head wrench. The head wrench has a compact size and has the ten most common sizes. This 10-hole key gives you the possibility to tighten different sizes of bolts and nuts. Suitable for bolts and nuts with size 6 to 15 mm. This way you have all the most common sizes handy in 1 key. Specifications: - 10 holes - Screw size 6 - 15 mm - High quality, stable design