Original Metrinch USA 10pc 1/2" Drive 12 Point Socket Set Made in USA in Early 1980's NOS 12 Point Socket Design 7/16-11mm, 1/2-13mm, 9/16-14mm, 5/8-16mm, 11/16-17mm, 3/4-19mm, 13/16-21mm, 7/8-22mm, 15/16-24mm, 1-25mm Seller Warranty if Purchased by Vivitor Enterprises Inc. Not Modern 6 Lobed Taiwanese design