Designed for use on wood-frame sliding doors from 1½" to 2" thick with box rail. Slot in top of door strap allows lateral and vertical adjustment.
- Made of durable one-piece, precision-formed steel
- Each hardened axle has 12 hardened and precision-ground alloy steel roller-bearings. Delrin® seals keep out dirt while holding in long-life grease
- 600lb capacity per pair
- Two trolleys
- Two end caps
- Bolts for attaching door strap