Robust construction with 1/2"Sq drive female input and 1"Sq drive male output. Accurately delivered torque multiplication factor of 1:12. 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. One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. Robust construction with 1/2"Sq drive female input and 1"Sq drive male output. Accurately delivered torque multiplication factor of 1:12. Compatible with a wide range of drive tools including torque and ratchet wrenches. Includes straight and .