The IR 2235-TK1 Tune Up Kit is an essential tool for anyone in need of quick and efficient repairs on IR 2235TiMAX and QTiMAX 1/2" gasoline engines. This kit includes a high-quality, IR-grade flame-resistant wrench set designed to safely and effectively loosen and tighten critical engine bolts. The kit's 1/2" air impact sockets and wrenches are made of tough, stainless steel that ensures long-lasting performance and resistance to corrosion, wear, and fatigue. The set includes a socket set of 12 sockets (3/8", 7/16", 9/32", 1/2", and 3/4") and 12 wrenches (19/64", 3/16", 3/8", 1/2", 3/4", 5/16", 7/32", 9/64", 11/64", 3/16", and 7/16") in both metric and imperial sizes. With this kit, you can perform oil changes, replace spark plugs, clean cylinder bores, and perform other routine maintenance tasks with confidence and certainty that your engine will remain in top-notch condition.