Features:brand new and high qualityEasy installation,easy to use,it can save your for time and labor, making you enjoy more fun.Workable with rope or cord indoor and outdoor for flexible sliding pulley,to hang weight things or lighten load.Fixed top for ease of rope handling, smooth roller provides great rope traverse,you can save effort can change direction,easy to use. Use pulleys to reduce your work weight and make work easier.Pulley,anti-rust and wear resistance with strong structure, Environmental for protection, non - toxic, non - pollution,safe & strong load bearing,high hardness, hard to deform,durable.Pulleys for Ergonomic Design,pulley rotation cylinder for head is solid, durable,swivel top ring for ease rope handling,360 degrees rotation to prevent rope from knotting,smooth roller provides great rope traverse.Simple and practical pulley,can be used for home gym pulley system, DIY Home Projects, gym Equipment, clothesline, hoists, lifting blocks, ladder lift, shop lifts, etc.Every family likes to buy, a pulley can meet the needs of customers in many ways.Ultra-silence ball bearings,solid rod, strong load bearings,turns more flexibly. When it works, you can hardly hear the sound, so it make your work more casual and more convenient, it can work any for time, don'for t worry about disturbing neighbors. Specifications:Material: Plastic+MetalColor: BlackHole Diameter: approx. 20.0mm/0.79inTotal Length: approx.153mm/6.00inDisc Diameter: approx. 90mm/3.54inDisc Width: approx. 31.5mm/1.24inPackage: 3Pcs Note:Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes:1Pc x Pulley1Pc x Hanging Straps1Pc x Carabiner