Our company has earned great laurels as manufacturers, traders andsuppliers of BeamTrolley. Adjustable to 2t standard or wide fiangeI-beam tracks, this one allows to move up to2000lb. With a simple push. The dual wheels are designed for a straight or tapered beam track and work on both straight and curved tracks. Features: Adjustable to 2t standard or wide fiange I-beam track Dual wheels are designed to 2t straight or tapered beam track Works on straight or curved Track Applications : Material Handling Load Carrying Weight Transfer