The Sip 1 Tonne Beam Trolley Is A Push/Pull Trolley Mounted On 4 Bearing Mounted Wheels And Integrated Wheel Guards; Perfect For When 2+ Trolleys Are In Use. Ideal For 'I' Section And Rsj Beams. • Sturdy Manual Push / Pull Beam Trolley • Suitable For Both 'I' Sections And Rsj Beams • Fitted With Wheel Guards For Ideal Protection When 2 Or More Trolleys Are Used On The Beam • 4X Heavy-Duty Bearing Mounted WheelsPTDSIP03851