2" x 1" Soft Rubber Wheel Ladder Caster with 5/16" Threaded Stem

2" x 1" Soft Rubber Wheel Ladder Caster with 5/16" Threaded Stem - Part # Q832021SR This caster is designed for rolling ladders and is to be used with part# Q83020SPRING The stem has a total length of 4-7/8". The thickest part, starting from the base of the stem, measures .565" in diameter and is 1-7/8" long. The skinner part of the stem above this measures 5/16" and is 3" long with the top part being threaded and measurinh 5/8" in length. Specifications: Load Capacity (lbs.): 80 Link to Matching Rigid Caster: N/A Wheel Diameter: 2" Caster Rig Material Type: Cold Rolled Steel Tread Width: 1" Caster Rig Color/Finish: Bright Zinc Plated Wheel Type: Soft rubber Swivel or Rigid Caster: Swivel Wheel Bearing Type: Plain Swivel Radius: 2-3/8" Overall Height: 2-1/2" without stem Swivel Construction: Double Ball Raceway Stem Size: 5/16" Temp Range: -40 to 180˚F Stem Length: 4-7/8" Wheel Color: Black Thread Pitch: 18 Weight: 1 lb.