The Vtg Snap On Tools 1/2" Drive Ratcheting Adapter SV-67 is a high-quality ratchet adapter specifically designed for use with torque wrenches and breaker bars. Made by the reputable brand Snap-on, this single item tool features a 1/2 inch drive size and is manufactured in the United States. The patent number 2020883 ensures its authenticity and unique design. Perfect for automotive and industrial applications, this ratchet adapter provides reliable performance and durability for various mechanical tasks. NOTE PLEASE LOOK AT PICTURES THERE LOOKS TO BE SOME ENGRAVING ON THE TOP VINTAGE SNAP-ON PLEASE FEEL FREE TO CHECK MY OTHER ITEMS FOR GREAT DEALS THANK YOU AND GOOD LUCK FREE SHIPPING