The product adopts high-strength carbon steel spring design, which has high strength and long service life. The product adopts butterfly-shaped fastening knob, which can easily adjust the clamping distance, rotate easily and use conveniently. The products are made of Metal and are . The of the product is treated by plastic spraying, which has good hand feeling, difficult paint peeling and strong practicability. The product clamping mouth is designed with anti-slip grooves, which is not easy to slip and has good clamping stability., Manufacturer: Akfldms