Grip-Tite 00110 7-Piece Super Socket Set, Rounded Bolt Remover, with Ratchet Grip-Tite Super Sockets hold bolts and nuts straight and true, for easy installation and removal (not magnetic). Where conventional sockets spin, Grip-Tite Super Sockets grip onto rounded bolts and nuts with ease. Covers 10 sizes: 3/8, 7/16 (& 11mm), 1/2, 9/16, 5/8 (& 16mm), 11/16, 3/4 (& 19mm) Lifetime Warranty. Everything you need - sockets, ratchet, and carrying case. Manufactured in the USA; at Gastonia, NC, Ratchet manufactured at Taiwan.