Gearwrench 3/8"Dr. 13-1/2" Locking Flex 81267 9-locked &;unlocked positions and can be left unlocked for easier usage. 84 Tooth Gear Design exceeds ASME torque performance requirements. 84 Teeth give a 4.3;ratchet arc so you can turn a fastener in tighter confines. Highly visible on/;off markings on the head.