The Sierra 107-5145 IKON Caster features a durable 4-inch design, ideal for a variety of applications including IPP, IB, IT, IBB, and ICB models. This caster is designed without a brake, allowing for smooth and effortless mobility. Constructed for reliability and performance, it ensures easy maneuverability in various environments. Perfect for enhancing the functionality of your equipment, the Sierra 107-5145 is a practical choice for those seeking quality and efficiency in their caster solutions.