1/4″ HEX TO 1/2″ SQ IMP READY SOCKT ADPT

The DEWALT DW2547IR 1/4-Inch Hex Shank To 1/2-Inch Socket Adapter. Impact Driver Rated Socket Adapters – Best In Class Durability. Drive Size: 1/4 in (hex), 1/2 in (square). Commonly used by Mechanical Contractors – HVAC, Deck Builders, General Contractors, Overhead Garage Door installers