Premium Quality: The whole set is made of high quality stainless steel, which is harder than ordinary materials. The material has the characteristics of moisture resistance, acid and corrosion resistance, and rust resistance. Its sturdy construction and shock-resistant design make it extremely sturdy. Easy to Use: This single hoist is ergonomically designed. 360 degree rotation to avoid rope knots and easy to use. the flexible pulley has a high load capacity and is suitable for a variety of applications, with a load of 1000 kg. Suitable for: this silver m100 crane swivel hook designed for indoor and outdoor rope or rope applications, the high capacity flexible pulley is suitable for a wide range of applications. surface treatment: it is made of stainless steel, the surface is bright and shiny, it does not release toxic substances, it is environmentally friendly, non-toxic and harmless. Package Content: 1 x Single Pulley Roller. It is super strong and wear-resistant, solid design,