Robust 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.