Tackle stubborn bolts on car engines, motorcycle frames, or heavy machinery with confidence, the 30cm extensions provide optimal reach in tight spaces like wheel wells, engine bays, and industrial equipment compartments Designed for professional mechanics, industrial maintenance crews, and DIYer enthusiasts, these extension rod withstand high torques impacts wrench use while remaining lightweight enough ( 500g) for mobile repair set or home garage toolboxes The color coded torsional rod simplify torques selection for various fasteners, while the compact storage friendly design makes it an essential upgrade for any workshop tackling cars, heavy machinery, or assembly tasks This robust set 40% high strength than standard steel, featuring color coded rod for quick identification and a nonslip grip handle that enhances control in oily or confined workspaces Engineered with torsional limiting technology and a universally 1 / 2inch square drive, the extension rod Set ensures torques control, over tightening and tool damage for automotive and mechanical applications, Manufacturer: HDOYTXXM