1.Strong material: this quick release set is made of highquality iron material and the surface is coated with zinc. Galvanised iron can effectively prevent oxidation. Strong and stable, , not easy to rust, good corrosion resistance, strong pressure resistance and can be used for a long time. 2.Push Pull Design This horizontal clamp knee lever clamp is a pushpull design, the special design is quick and easy. The horizontal bracket is stable and suitable for horizontal or vertical positions. It is an ideal choice to effectively fasten parts and increase productivity. 3.Excellent performance: during clamping, the lever can prevent the function from being affected by side thrust. The knee lever tensioner is quite stable and reliable, which can significantly shorten the processing time of different parts with high efficiency. 4.Slip Handle Design The handle of this horizontal clamp has a nonslip design and comes with a nonslip rubber sleeve. By adjusting the rubber of the quick clamp, the object is pressed then the handle of the quick release is pushed and pulled at the right angle. It can quickly assemble and attach parts of different heights.