1/2" Square Drive to 5/16" Hex Impact Adaptor converts female 1/2” square drive

PTI 1/2" Square Drive to 5/16" Hex Impact Adaptor. Designed for converting from female 1/2” square drive to 5/16” hexagon and enables 5/16” hexagon screwdriver bits to be used with 1/2" SQ drive impact wrenches.

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