XUEMEI About this itemWide application:Rigid Caster for Sliding Gate is suitable for heavy sliding doors, factory doors, dog doors, garage doors, garden doors, driveway doors,etc.Heavy duty:The bracket of Sliding Gate Track Roller measures 0.3cm in thickness,and each caster allows a carrying capacity of 300kg, which is convenient for handling heavy doorsMaterial:Made of durable and long-lasting galvanized steel,V-Groove Wheel is strong, stable, corrosion-resistant and waterproof,ensuring long term useRoller bearing:Sliding Door Roller Kit includes 4 V-Groove Wheels, and the double roller bearing slides smoothly, making it easier to push the doorSpecification:Wheel diameter of Sliding Gate Wheel with Bracket is 50mm, interior width of the wheel: 20mm, exterior width of the wheel:30mm, groove depth:8.95mm,which fits for 90 degree V-shape trackV-Groove Wheel is used to inverted track, yard gate, rolling drive way gate, patio sliding gate, industrial machines, container racks, baby gate, dog gate. Sliding Gate Wheels with Bracket designed with double roll bearing slide stably and smoothly, make it easy to push the gate.Features:V-Groove WheelColor:As shown.Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Including4*V-Groove Wheels