Introducing the Rotary 8550 9 x 3. 50-4 4-Ply Caster Wheel Assembly in yellow. This durable and high-quality wheel assembly is perfect for your lawn and garden equipment. With its strong 4-ply construction, it can handle tough terrain and provide smooth maneuverability. The Rotary 8550 is designed with precision and durability in mind, ensuring long-lasting performance. Say goodbye to unreliable caster wheels and upgrade to the Rotary 8550 for a smoother, hassle-free experience. Perfect for a variety of outdoor tasks, this caster wheel assembly from Rotary is a must-have for any gardening or landscaping project.