NEW DESIGN POWER DRILL BIT ADAPTER EXTENSION SOCKET BAR 1/4", 3/8", 1/2"  - 3 Pcs 

3 pcs 1/4", 3/8", 1/2" each with a 1/4" hex shank/driver bits fits all quick-change drill chucks system. Turns any power drill into a power nut driver Sturdy spring-loaded ball bearing holds sockets securely in place Sockets Snap-On Tightly and Won't Slip Off.

• 3pcs 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.
• Material: Chromium Vanadium Steel
• Quantity:1 Set (3pcs)
• Weight 100g

Package Contents:

• 1 - 1/4 x 1/4 * 65mm length -- 1/4 " shank can be converted to 6.35mm square head
• 1 - 3/8 x 1/4 * 65mm length -- 1/4 " shank can be converted to 9mm square head
• 1- 1/2 x 1/4 * 72mm length -- 1/4 " shank can be converted to 13mm square head