2pc. 1/2" Dr. Double End Damaged Wheel Lock & Lug Nut Removal Twist Socket Set 2pc 1/2 Drive Double End Damaged Wheel Lock & Lug Nut Removal Twist Socket. Set includes 1pc Damaged Lug Nut Removal Tool–3/4 (19mm) & 13/16 (21mm) and 1pc Damaged Wheel Lock Removal Tool–7/8 (22mm) & 15/16 (24mm). Allows work on oil pan plugs, corroded nuts & bolts, exhaust manifold nuts and pipe nipples. Fast and easy to use. Includes 3/4, 13/16, 7/8 and 15/16 wheel removal sizes. Made of CrMo steel (chromium molybdenum) 7402 Yes - GASOLINE ENGINE EXHAUST (CONDENSATES/EXTRACTS)