Service Caster 1-3/64 inch diameter x 2-3/4 inch long zinc plated grip ring stem for scaffolding. Fits Series #20 1/2 inch bolt hole casters.
Friction-ring stem casters fit into a hole and use a spring ring to secure themselves, making them easy to install and replace. They allow smooth 360 degree movement with minimal tools. Please ensure that you have measured the stem size correctly. If you are uncertain about the measurements, call us or message us for any questions.