Description： Variable Pin Scanner Wrench features a universal design that fits many different types of pulleys having slots or holes, including camshaft pulleys, crankshaft pulleys, and more. Set includes the following pairs of high-strength steel pin sizes: 3.5 mm, 4 mm, 4.5 mm, 5 mm, 6 mm, 7 mm, 10 mm plus a heavy-duty steel handle assembly. Durable steel material with manganese phosphate finish for maximum strength and corrosion resistance. Wrench is adjustable from 1-1/4 inches to 5 inches by loosening single adjustment bolt,works with a 1/2 inch drive ratchet or breaker bar. for optimal versatility. The adjustable spanner wrench set is packed in a heavy-duty, blow-molded case with precision-sized compartments for every piece - great for storage and transport while leng.