*Easy fitting to the beam by rotating the threaded load crossbar. *Cast iron wheels are easily used on flat or tapered flange beams. *High grade sealed ball bearings. *Centred positioning of the hoist in the clevis of crossbar--no creeping to the left or right. *Lower headroom. *Free maintenance *Locking screw secures the adjustment. *Equipped with 3m of drop chain. *Conforms to CE safety standard.