Neilsen Drill Power Extension Bar Socket Adapter Converter Set 1/4" 3/8" 1/2" Sizes: 1/4''Dr x 65mm long, 3/8''Dr x 65mm long, 1/2''Dr x 70mm long. Sandblasted finish. Spring ball bearing fastens sockets securely. Turns any power drill into a power nut driver. 1/4'' hex shaft fits all quick-change adaptors & extensions, drill chucks.
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