DescriptionAre you looking for a professional, yet reasonable 2-wheel trolley assembly? Are you in search of a sturdy, trustworthy accessory that can be used for a long term? 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: 7.10X2.50X2.20cm/2.79X0.98X0.86in-Bearing ability: 50kg -Screw hole: 8mm -Wheel outer diameter 2.2cm- 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 sturdy steel bearing allows trolley assembly stay in the rail. - Made of sturdysteel 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.