Feature:1. HIGH BEARING CAPACITY: This double pulley block can bear up to 100KG 220LBS load, suitable for multiple applications.2. ZINC ALLOY MATERIAL: The dual pulley block is made of hard zinc alloy, resistant to rust, abrasion and temperature.3. EASY TO USE: The fixed top of the pulley roller facilitates rope handling, which is convenient to use and widely used.4. SMOOTHLY ROLLER: The rollers of the pulley block are smoothly, allowing ropes moving easily and smoothly without stuck.5. 4 PCS SET: The set contains 4 pcs double pulley blocks, which can be used with rope and cable to lift heavy objects indoors and outdoors.Specification:Item Type: Double Pulley BlockMaterial: Zinc AlloySingle Load Bearing: Approx. 100kg / 220lbSingle Size: Approx. 36x22x13.5mm / 1.42x0.87x0.53in.Package List:4 xDouble Pulley Block