Feature:1. Free Swivelling: Allows for 360 degree free swivelling, the pulley block ensures smoother transmission without entangling, safe and stable.2. Sturdy in Works: Thanks to the sturdy structure, the swivel pulley wheel has a great bearing capacity up to 150kg, ideal for heavy objects.3. Extensive Using: Can be flexibly applied to camping, hiking, fishing, equipment gear, fitness, hanging wheels, mountaineering and so on.4. Stainless Steel: Mainly made of premium stainless steel material, the pulley block is also rustproof, and very durable for long using.5. Easy to Install: Comes with a compact size and a light weight as well, the pulley block enables the installation to be quickly finished.Specification:Item Type: Double PulleyMaterial: Stainless SteelSingle Pulley Block Bearing Capacity: Approx. 150 kg / 330.69 lbSpecification: M25Type: U Shaped.Package List:2 xDouble Pulley