Features and Benefits:120XP ratchets have two double stacked 60 tooth pawls (120 positions) providing a 3° swing arc so you can turn fasteners in tighter confines;Double-stacked pawls alternately engage the 60 tooth gear, providing exceptional strength;Highly visible on/off markings on the head;Enclosed head design for extreme resistance to dirt infiltration;Teardrop, low-profile head and flush-mounted on/off switch allow better access in tight spaces