Features and Benefits: Reduced diameter ratcheting box-end and open-end for increased access; XL Beam design is up to 25% longer for improved reach; Dual direction surface drive givers better grip and reduced fastener rounding; Bright, full-polish chrome finish; Highly visible recessed color markings for visibility; 120XP Ratcheting Box-End with 120 positions gives a 3 degree swing arc. Universal spline drive works on 12-point, 6-point, rounded 6-point, spline, e-torx, and square fasteners.