Ratchet Adapter Drive Size 3/8 in 1/2 in Overall Length 1 1/4 in Number of Pieces 1 Compatible with Product Type 3/8 in 1/2 in Drive Sockets Includes Ratchet Adapter Aluminum Bronze Natural Compatible Mfr Model Number W-141R W-142R Compatible with Brand and Series Ampco Ratchet Wrench Overall Width 1/2 in