Fangrui Product Details Drill Nut, Driver Power, Extension Set- Socket Hex, Shank Adapter For Drills. Features: Turn Square Head Hexagonal Shank Extension Bar Sleeve Beaded. 1/4 3/8 1/2 Sleeve Wind Batch Electric Connection Switching Lever. Turns Any Power Drill Into A Power Nut Driver Sturdy. Spring-loaded Ball Bearing Holds Sockets Securely In Place ,sockets Snap-on Tightly And Wont Slip Off. Kit Hardened Treated Chrome-vanadium Steel Alloy For Superior Strength. Durability Prevents Stripping During High Speed Drill Operation. Great To Use: At Home, In The Workshop Or Warehouse For Hobby, Hardware, Auto Repair, And So Much More. Specifications: Type: Hand Tool Parts Model Number: Hex Shank Adapter Drill Material: Chrome-vanadium Steel Usage: Home Length: 50mm. Item Type: Connecting Rod Use: Sandblasted Finish Applies To: Screwdriver Handle Or Electric Set Includes: 1 X 1/4 In. Drive 1 X 3/8 In. Drive 1 X 1/2 In. Drive . We Are An International Seller, Your Order Will Be Shipped From Abroad So Please Allow The Necessary Time Of Minimum 14 Working Days For Delivery Right Now Depending On Where You Ship To, Due To Ongoing Delays In Postal Deliveries Globally.