DescriptionAre you looking for a professional, yet reasonable 2-wheel trolley assembly? Are you in search of a sturdy, trustworthy accessory that can do multiple jobs at once? If yes, look no further! Our sliding door roller must meet your needs, this 2-wheel trolley assembly is one of the best choices for you.Features-Color:Silver-Material:Steel-Size:6.20X2.50X2.20cm/2.44X0.98X0.86inBearing ability: 50kgScrew hole: 8mm- Double bearings design, smooth sliding. 50KG bearing ability, suitable for various door types.- Cable trolley for enhanced load-bearing capacity. 8mm screw hole, easy to install.- This solid steel bearing allows trolley assembly stay in the rail.- Made of solid steel material for impact resistance. The surface is galvanized to ensure rust resistance.- Special design and fine craftsmanship, the best replacement for your old, broken one.