Electric Hoist Trolley 1100lbs, 0.5 Ton I Beam Trolley, Adjustable 2.36-4.72" Flange Width, Dual Wheel PA200-PA500 Compatible, Push Beam Trolley for Straight & Curved Beams

【Heavy Duty Capacity】: Supports up to 1100 lbs (0.5 ton) capacity; constructed from robust alloy steel for long-lasting durability and reliability; ideal for lifting heavy materials in industrial and construction settings 【Adjustable Beam Width】: Accommodates I-beams and H-beams with a flange width adjustable from 2.36 inches to 4.72 inches; includes 16 x 1.4mm washers and 12 x 14.8mm gaskets for a secure and customized fit; compatible with a wide range of beam sizes 【Dual Wheel Design】: Equipped with four smooth-running, toothless wheels for effortless movement along both straight and curved I-beams; the dual-wheel system reduces friction and ensures consistent performance; wear-resistant precision steel construction 【Secure Locking Mechanism】: Features a crown nut and wire pin for enhanced safety and security; the crown nut tightens without tools, while the wire pin locks the trolley firmly in place; provides double security during operation 【Wide Compatibility】: Designed for seamless integration with PA200, PA250, PA300, PA400, and PA500 series electric hoists; suitable for use in factories, mines, warehouses, and construction sites; versatile for diverse lifting tasks