Patent ID: 7228766

Claim:
A detachable cross wrench, comprising: a) a primary bar having one polygonal portion at one end thereof, a thickening middle portion being formed at the center thereof, a turning handle being mounted on the other end of the primary bar, a lateral through hole being formed in the thickening middle portion for insertion of a secondary bar to create a cross type wrench, a longitudinal hole communicating with the lateral through hole for receiving a compression knob in cooperation with a resilient element and a positioning element, the compression knob having a slim portion in the middle thereof and an engaging portion at the lower portion thereof; and a secondary bar having a polygonal portion at one end thereof and a handle portion at the other end thereof, the secondary bar further have at least one engaging groove, whereby the primary bar and the secondary bar are easily fixed in relation to one another through the engaging portion selectively engaging the engaging grooves in the secondary bar.