3 Ton I Beam Trolley Adjustable Push Beam Hoist w/ Dual Wheels Heavy Duty. Adjustable Width: The BEAMNOVA manual trolleys is adjustable in width to fit securely on I-beams and H-beams with flange widths ranging from 3.66″ to 8.46″ (93-215mm). Trolleys can be easily customized to match a variety ofRead More