Extension bar, heavy-duty construction drill bit holder for drills and bits

Features: 1. Hardened steel adapter for maximum durability; the robust construction ensures a long service life. 2. Ball joint design for quick connection and disconnection, and to stay securely in place while driving. 3. The universal SDS Plus shank fits most screwdrivers, drills, and electric chucks. 4. The small size allows you to take your bit extension anywhere for any job and fits easily into many tool bags. 5. Includes a hex socket and three different-sized square adapters, so you can use the appropriate one for various needs. Specifications: Description: These bit holders and extension adapters are made from high-quality carbon steel and chrome vanadium steel with a robust construction to ensure maximum durability. It can be used for both drill bits and screwdriver bits, making these extension adapters very practical and versatile. Features: Hardened steel adapter for maximum durability; the robust construction ensures a long service life. Ball-lock design for quick connection or disconnection and guaranteed to stay in place while driving. The universal SDS Plus shank fits many electric drills and chucks. The small size allows you to take your bit extension anywhere to perform any job and it fits in many tool bags. There is a hex socket and three square adapters of different sizes, and you can use the appropriate one for different needs. Specifications: Material: Stainless steel and chrome vanadium steel Type: SDS Plus -- Hex socket 80 mm x 1/4", SDS Plus -- Square head 65 mm x 1/4", SDS Plus -- Square head 65 mm x 3/8", SDS Plus -- Square head 75 mm x 1/2" Quantity: 4 Package includes: 1 x Hex socket extension adapter 3 x Square drive extension adapters