1、The product is made of high quality carbon steel, which is strong and has a long service life. 2、The structure of the product is simple and easy to operate. 3、The clamp is not easy to release after being fastened, and the clamp is firm. 4、The product is easy to install. 5、The product is suitable for fixing all kinds of mechanical assembly workpieces, welding fast clamping, woodworking polishing and so on. Feature: The product is made of high quality carbon steel, which is strong and has a long service life. The structure of the product is simple and easy to operate. The clamp is not easy to release after being fastened, and the clamp is firm. The product is easy to install. The product is suitable for fixing all kinds of mechanical assembly workpieces, welding fast clamping, woodworking polishing and so on. Specification: Model: 40341 Type: 30*120; 30*150 (Optional) Material:  Carbon Steel Package list: 1 * Clamp 1 * Hook Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.