Features and Benefits Center-lock nut socket 3/4" drive for Porsche; Models: 997, 991, GT2 and GT3; Drop forged body; 3/4" drive tightening torque, maximum 369 ft/lbs (500 Nm); Do not use with impact ratchet or impact wrench!; Designed to remove or install center-lock wheelsCovered by a 1-year warranty