V-Series™ 3/8 in Drive X-Tract Technology™ Hex Bit Socket Set (12 pc) | CRAFTSMAN
Manufactured for extreme performance, the V-Series™ 3/8 in. Drive X-Tract Technology™ Hex Bit Socket Set is innovated to tackle a range of fastener gripping applications. X-Tract Technology™ is ...
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Has anyone tried these yet? Is it useful or a gimmick?