USAG 3/4" Drive 12pt Metric Tool Set (605 3/4 B) - new set, replaces K.500. Includes the latest USAG/Facom maintenance free dust-proof ratchet (KL.161) with a compact 52mm head and a 120-tooth mechanism (3° working arc). The Facom and USAG sets are identical...USAG is less expensive and includes a US warranty.