MADE IN AMERICA WITH American Drawn Steel - All RocketSocket impact grade extractor socket sets are designed and manufactured in the USA to meet or exceed all professional tool standards. Don't be fooled by quality claims from cheap "imported" extractor sockets and socket sets. Trust the original and the best, Trust only RocketSocketREMOVES STRIPPED, DAMAGED & BROKEN FASTENERS - RocketSockets are precision engineered to easily extract damaged bolts, nuts and screws even if they are stripped, rusted, frozen or rounder-off. This 18 pc ¼" drive set is perfect for those small nuts, bolts and screws and will extract damaged slotted, phillips or torx with thin, rounded, tapered or low profile heads.SUPERIOR REMOVAL TECHNOLOGY - Only RocketSocket has proven RazorGrip removal technology that grips and won't let go. With proven RazorGrip Removal Technology, the more you turn, the tighter the socket grips! That means no more slipping and no busted knuckles.IMPACT STRENGTH - RocketSockets are designed and engineered to be used with your favorite power tool or impact wrench that's why we include a convenient hex adapter. Our 18 piece set uses a 1/4" drive is perfect for those small fasteners covering 21 standard and metric sizes. SAE: 1/4", 9/32", 5/16", 11/32", 3/8" Metric: 6mm, 6.25mm, 6.5mm, 6.75mm, 7mm, 7.25mm, 7.5mm, 7.75mm, 8mm, 8.25mm, 8.5mm, 8.75mm, 9mm, 9.25, 9.5mm, 10mmLIMITED LIFETIME WARRANTY - Not all lifetime warranties are the same despite the claims. RocketSocket uses only the highest quality materials and precision tooling so we can offer a true LIMITED LIFETIME WARRANTY on every socket and socket set we sell.ALWAYS SHIPS FREE ANYWHERE IN THE USA!