Groove Wheel V Shaped, Roller Wheel Rigid Caster Heavy Duty Track Wheel with Bracket Stainless Steel for Inverted Track Rolling Sliding Gate Material Handling and Moving: Amazon.com: Industrial & Scientific
Amazon.com: DLMSDG Sliding Gate Roller, V Type Wheel with Bracket, Heavy Duty Rigid Caster Wheels, V Shaped Groove Track Wheel, for Industrial Machines, Rolling Gates.(Size:2in) : Industrial & Scientific