1.High quality metal bearings, strong and durable. (Please refer to the installation video below the product description. ) 2.The particle board is made of thick 304 stainless steel, which is not easy to deform when used, and the durability is greatly increased. 3.Stainless steel thickened blade for better cutting effect. 4.The unique design of the clamping table can save more space and facilitate operation. 5.The screw can adjust the spring tightening, and the installation and disassembly are more convenient.