VEVOR 1-Ton Push Beam Trolley 2200 lbs. Capacity Heavy-Duty Manual Trolley Hoist Winch Crane Lift Fits I-Beam New 1TSTXC00000000001V0 - The Home Depot
Crane Hoists and Trolleys | Electric Trolley Hoist | Harrington Hoists
Cisco-Eagle Catalog - Electric Hoist w/ Geared Trolley - 5 Ton, 20' Lift, 11 ft/min
6 Wheel T Type Trolley Assembly Electric Hoist Easy Installation Roller Trolley Silent for use with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel-1PACK: Amazon.com: Industrial & Scientific
Amazon.com: RHKING Electric Hoist Installation Roller Trolley 4 Wheel Trolley Assembly 2PCS Silent for use with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel : Industrial & Scientific