These 3.6 inch top and bottom half bearing guide plates are designed specifically for miner style trailers. Made from durable black plastic, they offer a practical solution for ensuring smooth and secure trailer movement. Sold individually, these guide plates are compatible with most miner style trailers, making them a versatile choice. With their sturdy construction and easy installation, these guide plates provide the necessary support and stability for hassle-free trailer operation. Improve your trailer's performance and reliability with these reliable and functional guide plates.