Clamp wrench fits most common trussing clamps/wing nuts. M-Series wrench fits M8 (13mm), M10 (17mm), M12(19mm) bolts. Open ended wrench fits 15mm & 20mm bolts/nuts. Functional use as hammer. Great for truss pin insertion and loosening. Bottle opener built in is always useful. Built in eyelet for attaching to tool belt or pants loop. Red color makes it easy to locate and more difficult to lose on the job site.
