Features: -Must-have accessory set for power drills and impact drivers. -Extensions in lengths 2.36 (60mm) for superior access for hard-to-reach fasteners. -Strong permanent magnets hold bits securely in place; accepts all 1/4 hex-shank bits. -1/4 quick-change hex shanks fit all power drills 1/4 impact drivers and hand-held drivers. -Hardened tempered tool steel with chrome-finish holders manufacturer s. -Designed for 1/4 Hex Shank Bits. -Great for working with hard to reach screws. -Can be Used in Automotive Hardware Hobby Home etc. Specifications: Product name: Holder Extension Bar Material: 45# Steel Color: Silver Length: (Approx. ) 2.36 Inch (60mm) Shank diameter: 1/4 Inch (6.35mm) Suitable for:Power drills and Impact drivers Quantity: 10 Pcs Package Contents: 10Pcs Holder Extension Bar Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.