Caster; Twin; Swivel; 4" (100mm); Polyurethane; Stemless; Black; Rivet; 175# (Receives Shepherd 0.43" x 2-1/8" stem) (Shepherd PUT100000BK-U / 110199)
Twin-wheel casters can be made of all plastic or solid die-cast zinc. Prices vary from the economic, all plastic models to the larger models with distinct finishes and larger sizes for best performace. On most models, the wheels are riveted on for positive retention. Like all casters, the larger sizes perform much better than the smaller ones.
Polyurethane wheels are molded from high performance liquid cast polyurethane. They are easy to push with easy start-up, are capable of withstanding shock loads and abusive conditions. They are durable and resist abrasions, cracking and chipping, and are floor protective and non marking.
