Specification Brand : QANYEGN BulletPoint1 : SPACE SAVING: The Track Roller Wheel Trolley is designed to be space saving, providing convenience and labor saving benefits. Its compact design allows for efficient use of limited space. BulletPoint2 : GALVANIZED TREATMENT: Our track roller trolleys are galvanized to allow them to be used even in harsh environments, a feature that also improves the lifespan of the trolley. BulletPoint3 : HIGH ACCURACY BEARING BALLS: Equipped with high accuracy bearing balls, this Track Roller Wheel Trolley guarantees stable and smoother rotation. The precise bearings contribute to the overall performance and reliability of the trolley. BulletPoint4 : CURVED EDGE: The Cable Roller Wheel Trolley features a curved edge design, which minimizes the adhesion area to the track and reduces drag. This innovative feature enhances the efficiency and effectiveness of cable transportation. BulletPoint5 : PULLEY DIAMETER AND SPACING: With a pulley diameter of 24mm (0.94in) and a pulley spacing of 50mm (1.97in), the Cable Track Roller Wheel Trolley offers optimal functionality. These specific measurements ensure reliable and consistent performance during cable transportation. ItemName : Stainless Steel Rail Roller Trolley, Cable Rail Pulley, Rail Roller Trolley (24mm Pulley Diameter) ItemPackageDimensions_Height : 9 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : beam-trolleys Manufacturer : QANYEGN ModelName : Hilitand6ksaiez89q ModelNumber : QANYEGNdae86bu7ft PartNumber : QANYEGNdae86bu7ft ProductDescription : Item Type: Track Roller Wheel Trolley Material: Stainless Steel Pulley Diameter: Approx. 24mm / 0.94in Pulley Spacing: Approx. 50mm / 1.97in