Feature: 1.for 360° rotation, suitable for narrow spaces with different angles 2. Can be used with ratchet wrench, square interface wrench or electric drill 3. Square interface, with anti-seizure ball 4. Spring technology, it can be bent and used, and the support is stronger Specification: -Type: Socket wrench -Model: 1/2", 3/8", 1/4" -Dimensions and weight: 1/4" 150mm (55g), 3/8" 200mm (150g), 1/2" 250mm (350g), -Wrench shape: Combination wrench - treatment: polished chrome plating -Material: 45#steel -Color: black -Quantity: 1pc Package Included: 1pc * Extension Rod Note: Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measurement deviation due to manual measurement. 【Versatile Compatibility】This extension rod can be used with a ratchet wrench, square interface wrench, or electric drill, providing flexibility and convenience in various applications. 【Anti-Seizure Ball】Equipped with an anti-seizure ball at the square interface, smooth and secure connections, slippage during use. 【Flexible and Strong】Utilizing spring technology, this extension rod can be bent and used without compromising its support and durability. It offers a stronger and more reliable performance. 【Premium Material and Finish】Made of high-quality 45#steel, this extension rod is sturdy and for durable. It is coated with polished chrome plating, providing resistance to and long-lasting use. 【Package Included】1pc * Extension Rod, available in three sizes: 1/4" (150mm, 55g), 3/8" (200mm, 150g), and 1/2" (250mm, 350g).