Features: Double side pressure arm with directional bearing rollers ensure stable workpiece feeding and prevent kickbacks , making this featherboard system ideal for precise table chainsaws and routers table operations. Crafted from solid anodized aluminum, the adjustable feed roller features double sliders vibration reduction for enhances accuracy in demanding woodworking tasks like ripping and crosses cutting. Produced for professional woodworkers and DIY enthusiasts seek reliable materials control during table chainsaws operations, band chainsaws projects, and accuracy joinery work. Perfect for workshop applications requiring consistent feed pressure on table chainsaws, band chainsaws, or jointers when processing hardwood, plywood, or composite materials up to 3" thick. The height adjustable bearing roller system combines featherboard functionality with reverse resistant safety features, delivering cleaner cutting and reduced deviation across various woodworking machinery setups. Specifications: Component:Aluminum Alloy Size:Approx.120x72mm/4.72x2.83inches Package Includes: 1Pair Woodworking Multifunction Bearing Roller Press note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color. Thanks!