The TEKTON 3/8 Inch Drive Pinless Impact Universal Joint works around obstructions and gets into tight spots. delivering the torque needed to break loose stubborn fasteners. Its pinless design operates at an impressive 30-degree angle. With maximum flexibility when space is limited. it saves you time and helps you avoid unnecessary disassembly steps. Made from premium 8660 Ni-Cr-Mo and 4140 Cr-Mo steel. it is precisely heat treated for superior strength and protected by a corrosion-resistant manganese phosphate finish.