Specification Brand : Generic BulletPoint1 : Zinc Alloy Material: The pulley is made of hard zinc alloy, resistant to , abrasion and temperature. BulletPoint2 : Rollers: The rollers of the pulley are , allowing the rope to move easily and smoothly without snagging. BulletPoint3 : 'Selling Summary: Powerful, Selling Description This double pulley pulley set is equipped with a rope and is suitable for various tasks. In addition, its for swivel is ergonomic and makes the process easier. Whether it is home use or industrial use, it can meet your needs. ' BulletPoint4 : Set Of 4: This set includes 4 double pulley blocks that allow you to use ropes and cables to objects indoors or outdoors. BulletPoint5 : Double Pulley Pulley Double Pulley Roller Double Pulley Cable Pulley Wheel Pulley ItemName : Double Pulley Block 220Lbs Pulley Roller Bearing Pulley Set 4 Pcs 100Kg Zinc Alloy Lifter Pulley for Twin Pulley Two Pulley Rotating Snatch ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 5 centimeters ItemTypeKeyword : snatch-blocks Manufacturer : Generic ModelNumber : Genericfk4wb31cxg PartNumber : Genericfk4wb31cxg ProductDescription : 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 , 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 heavy objects indoors and outdoors.