Made of corrosion-resistant stainless steel and oxidized steel. Precision CNC machining manufacturing. The afterrod is also made of high-frequency quenching and electroplated hard chromium, which has sufficient strength and bright luster and is less prone to rust. The key has an adjustable handle to adjust the chuck quickly and firmly. The design has elastic damping attachments that keep it hovering in the desired position and provide sliding adjustment for damping, improving the comfort of use. You can even choose to turn the handle sideways or downward, temporarily giving up the function of the handle. The addition of the working plane allows the adjustment stroke to be in a controllable range, and can prevent beyond the stroke, and is also the main structure to keep the handle parallel to the main rod. Hexagonal structure, elastic thread stop hole reserved extension function parts, provide a reliable carrier for various subsequent function parts, there will be a variety of matching function accessories can be purchased. Please remember toosmile, follow toosmile, perfect obsessive-compulsive designer will make the product more perfect. One use, your continuous choice!