Features:1. Change the Handheld Outlet Set to a Driven Outlet Set2. A spring-loaded ball bearing on the head holds the seats securely3. Made of chrome vanadium steel, it is suitable for heavy impact drivers4. Suit for pneumatic screwdriver, electric screwdriver, pneumatic drill, electric drill, gun drill, etc.5. This set is perfect for an impact wrench or drill and allows you to replace the ratchet with a power toolDescription:Material: Chrome vanadium stainless steelColor: As the picture showsSize 1:1/4"*1/4"*50mm(Length) mandrel 1/4" can be converted to 6.35mm Shank 3/8"*1/4"*50mm(Length) 1/4" can be converted to 9.53mm Shank 1/2"*1/4"*52mm(Length) 1/4" can be converted to 12.7mm square Size 2: 1/4"*1/4"*60mm(Length) Stunt 1/4" can be converted to 6.35mm Shank 3/8"*1/4"*60mm(Length) 1/4" can be converted to 9.53mm Stem 1/2"*1/4"*73mm(Length) 1/4" can be converted to 12.7mm Square Package List:Socket Adapter Hex Handle Kit (Includes 3 Pieces)