Suitable for use with our lever hoists or chain blocks. Designed for mounting onto an I-beam or RSJ to allow load to be manoeuvred sideways. Incorporates wheel guards to prevent contact with other trolleys mounted on same load bearer. Features & Benefits:Suitable for use with our lever hoists or chain blocks.Designed for mounting onto an I-beam or RSJ to allow load to be manoeuvred sideways.Incorporates wheel guards to prevent contact with other trolleys mounted on same load bearer.Model No. PT500 Specifications: Model No PT500 Brand: Sealey Nett Weight: 7kg Capacity: 500kg Test Load: 750kg Track Width Adjustable Range: 64-140mm Minimum Curve Radius: 800mm A: 212mm B: 115mm C: 115mm D: 90mm E: 115mm Weight: 7kg Minimum Standard I-Beam Dimensions (D x W x Web): 125 x 75 x 5.5mm Maximum Distance Between Spans: 3000mm Maximum Standard I-Beam Dimensions (D x W x Web): 250 x 125 x 7.5mm Maximum Distance Between Spans: 8000mm Refer to catalogue for diagram.: