Sealey Torque Multiplier Set 7pc 1/2" 3/4"Sq Drive AK6290Robust construction with 1 2"Sq drive female input and 3 4"Sq drive male output. Accurately delivered torque multiplication factor of 1: 6. 5. Compatible with a wide range of drive tools including torque and ratchet wrenches. Includes straight and 90 reaction bars, reaction base, two breakaway adaptors* and L type hex key. Supplied in storage case. Note: Breakaway adaptors are not covered by the lifetime guarantee and are treated as consumable items.