National Hardware N196-360 Box Rail Truck, Steel, Zinc

Packed with wheel trucks only. Durable one piece, precision formed steel. Comes with self-lubricating Delrin bearings. Suitable for use with No 59, 5100, 5103, 5104, 5105, 5110, 5114 or 5116 box rail. 225 lb/hanger safe working load, 2.14 in diameter. 4.15 in L x 3 in W x 1.61 in D. Standards: BHMA A138.18 specified.