Specification Brand : Airshi BulletPoint1 : Perfect for climbing, also excels great in other uses like hauling, transporting, etc. BulletPoint2 : Fine polish ensures , providing and quick rotation to greatly reduce friction. BulletPoint3 : The small hole is 12mm, the large hole is 14mm, suitable for rope with diameter under 12mm. BulletPoint4 : Heavy duty, it can withstand about 26KN pull strength, the side plates can prevent rope from skidding, super reliable for keep your safety in climbing. BulletPoint5 : This pulley is constructed with premium aluminium alloy, anti-rust, high strength and durable. Color : Orange Department : unisex-adult ExternallyAssignedProductIdentifier : 7427536348520 ExternallyAssignedProductIdentifier1 : 0682412911831 ExternallyAssignedProductIdentifier2 : 682412911831 ImportDesignation : Imported IncludedComponents : pulleys*2 ItemName : Double Tandem Color Pulley ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 11 centimeters ItemPackageDimensions_Width : 6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : climbing-pulleys Manufacturer : Pacific Science Supplies Inc. Material : Steel ModelName : Airshikarux8dvy9-01 ModelNumber : Airshikarux8dvy9-01 PartNumber : P51222 Pattern : Solid ProductDescription : This tandem pulley system will work great for any physics experiments. Its steel frame makes it very strong and capable of lifting heavy loads with ease. Mounting hooks are conveniently placed on both ends of the pulley which allows you, the operator, to use them in virtually in any situation. Having two separate wheels stacked on top of each other allows for advanced applications. Pulley is constructed of hard plastic and metal. NOTE: Pulley is intended for small school projects only, and can hold about 1kg in weight. Not intended for industrial use. Dimension: Large wheel 2 inches (5.1cm) in diameter, 1/4 inch (6 mm) groove Recommended for ages 6 and older. ProductSiteLaunchDate : 2008-08-07T18:37:14.000-00:00 Size : 44T Nylon SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 24101600 WarrantyDescription : No Warranty