Ko-ken 3726Z-280 Z-EAL Long Flex-Head Ratchet Handle — 3/8″ (9.5sq.) Drive, 72 Teeth. Because of its longer handle, this ratchet can be loaded to higher torque than standard models. For your safety and to protect the tool, always apply load evenly and progressively — avoid sudden, jerky force — to prevent breakage and possible injury.