Durable Aluminum Alloy Construction Crafted from quality aluminum alloy, the main body is anodized and precisely CNC machined for strength, corrosion resistance, and longlasting performance. This ensures the roller system withstands regular use while maintaining smooth operation. Stable and Reliable Design Built with shockproof double rollers and twin sliding blocks, this system provides even stress distribution during use. The secure and balanced structure prevents obstruction, ensuring consistent, trouble performance in demanding tasks. Complete Component Set Includes double wheel bearing roller, 2 sliding blocks, 2 limit rings, and 2 screws. Designed for compatibility with standard 30slot and 45slot profiles, making it versatile for multiple setups. Adjustable Height for Different Materials Features two inclined wheels that allow easy adjustment of roller height. Accommodates various wood thicknesses to meet different project requirements, offering flexibility for diverse applications without the need for additional tools. Practical Applications Ideal for guiding and supporting wood panels during cutting or assembly. Suitable for use in woodworking tables and workbenches where material stability is essential. for precision routing or sawing operations, maintaining steady movement and alignment. Key Benefits build quality ensures longevity and resistance to wear. Stable structure minimizes vibration and enhances accuracy. Adjustable height provides adaptability for multiple material sizes. Complete set offers convenient installation and immediate usability. Specifications Material: Aluminum alloy (anodized, CNC processed) Roller Type: Double wheel bearing Compatible Slot Sizes: 30 and 45 standard slots Included Components: 2 sliding blocks, 2 limit rings, 2 screws This product delivers dependable performance, precise adjustment, and strong compatibility for a variety of woodworking and material handling tasks.