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. .
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