DEWALT DW2299 Socket Adapter, 1 2 in Input Drive Size, Black Oxide, 3 8 in Output Drive Size, Square G1407244 Compatible with Series Spectrum 375 Compatible with Series Spectrum 375 Fein (non Starlock) 1 4" Sockets Output Drive Type Male Square Impact Rated Yes Includes (1) Socket Adapter Material Steel SAE or Metric SAE Number of Points 4 Locking Yes Measurement Type SAE Output Drive Shape Square Insulated No Output Drive Gender Male Input Drive Gender Female Input Drive Shape Square Non Sparking No Impact Rated Status Impact Rated Includes Insulation Not Insulated Includes Locking Locking Included Corrosion Resistance Not Corrosion Resistant Application Fastening And General Construction Country of Origin United States Overall Length 1 1 2 in