ITEM NAME:Impact Drill Adapter Reducer Set Extension Set Nut Driver 1/4 3/8 1/2 Socke Descriptio n Description: *100% Brand new and high quality. *5pcs Socket Bit Adapters Set is used to replace 1/4" chuck system quickly. *Suitable for heavy impact drive drill bit. *1/4 "hexagonal handle is suitable for all quick change chuck and standard drill chuck. *The spring loaded ball detent firmly holds the socket. Specifications: Material: Chrome Vanadium Steel Color: Black Size: As Pictures Shown Package Included: 3 * 50mm Socket Bit Adapters (1/4,3/8,1/2 Hex Shank) 1 * 25mm Socket Bit Adapter (1/4 Hex Shank) 1 * 30mm Socket Bit Adapter (1/4 Hex Shank) Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! Impact Drill Adapter Reducer Set Extension Set Nut Driver 1/4 3/8 1/2 Socke.Suitable for heavy impact drive drill bit. 1/4 "hexagonal handle is suitable for all quick change chuck and standard drill chuck. We'd like to settle any problem in a friendly manner. 1 25mm Socket Bit Adapter (1/4 Hex Shank).