The 4" Swivel Caster Wheel with Brake by MedCaster is a high-quality replacement part for your caster wheel needs. With a 4" diameter and a stem diameter specific to the model TX04PYO281SWTS02R, this unit is designed for easy installation and smooth operation. Featuring a swivel design and brake function, this caster wheel offers versatility and security for your mobility needs. Perfect for use in various industries and applications, this durable and reliable caster wheel is a great addition to your equipment or furniture.