Specification Brand : Asixxsix BulletPoint1 : Space Saving: This cable track roller wheel trolley is space saving and will be convenient to use, also labor saving. BulletPoint2 : Galvanizing Processing: Our cable track roller wheel trolley is also adopted galvanizing process and with great rustproof capabilities. BulletPoint3 : High Accuracy Bearing Balls: Cable track roller wheel trolley with high accuracy bearing balls ensures the stability of bearing rotation. BulletPoint4 : Curved Edge: Cable roller wheel trolley curved edge reduces the area of adhesion to the track and reduces drag. BulletPoint5 : Pulley Diameter and Spacing: Cable track roller wheel trolley has the pulley diameter of 24mm or 0.94in, pulley spacing of 50mm or 1.97in. ItemName : Track Roller Wheels Trolley Assembly, Electric Hoist 4 Wheel Trolley Assembly Stainless Steel 24mm Pulley Diameter Cable Pulley Track Roller Wheel Trolley, for Garage Hoist System ItemPackageDimensions_Height : 9 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : beam-trolleys Manufacturer : Asixxsix ModelName : Asixxsixtr5601duem ModelNumber : Asixxsixtr5601duem NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : Asixxsixtr5601duem ProductDescription : 1. Space Saving: This cable track roller wheel trolley is space saving and will be convenient to use, also labor saving. 2. Galvanizing Processing: Our cable track roller wheel trolley is also adopted galvanizing process and with great rustproof capabilities. 3. High Accuracy Bearing Balls: Cable track roller wheel trolley with high accuracy bearing balls ensures the stability of bearing rotation. 4. Curved Edge: Cable roller wheel trolley curved edge reduces the area of adhesion to the track and reduces drag. 5. Pulley Diameter and Spacing: Cable track roller wheel trolley has the pulley diameter of 24mm or 0.94in, pulley spacing of 50mm or 1.97in.