Amazon.com: SKTREX 5 Feet Length Strut Channel Trolley Track,1-5/8" high and Wide 12 Gauge Metal Steel u Channel with Short Slotted Back Channel - Pre-Galvanized Zinc Finish for Durability (Pack of One) :
NEWHOUSE ELECTRIC 1-5/8 in. Trade Size Heavy-Duty Steel 4-Wheel Trolley Assembly with Sealed Bearings for 1-5/8 in. Strut Channel HT4W-158S - The Home Depot
Tool Trolley Channel 6' Lengths - C Tek Lean Solutions, Inc.
P2950 - Trolleys - Unistrut Midwest
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
NEWHOUSE ELECTRIC 1-5/8 in. Strut Channel 4-Wheel Trolley Assembly with Eye Loop, Zinc-Plated Steel, Silver 4WELT-158 - The Home Depot
Electric 4 Wheel Trolley Assembly for Taller Strut Channel for 1-5/8" Wide All U | eBay
Electric Hoist Installation Roller Trolley Strut Channel Trolley Can be Used for 12 Gauge or Higher Metal Strut Channel.Trolley is Made of Stainless Steel (1): Amazon.com: Industrial & Scientific
Channel Trolley Track Hanger Bracket for All 1-5/8" Strut Channel - In – Automotive Authority