Update your semi's spring-operated door assembly with increased reliability and smoothness, with the Todco 2" Roll Up Door Precision Roller that ensures you're Ready for the Road Ahead. With precise manufacturing, this replacement roller is the ideal choice to keep your roll up door in line with the tracks when opening or closing. Engineered with corrosion and rust-resistant metals for enhanced durability in humid climates and rough conditions. FleetPride is your First Click in Heavy Duty.