Feature: 1. Aluminium Alloy: The feather board main body is made of excellent aluminum alloy, with anodized oxide finish, CNC processing, rust and corrosion resistance. 2. Shock Absorption: Flexible PU wheels increase friction, ensuring good shock absorption effect, preventing board deviation, and ensuring more stable propulsion. 3. Standard Guide Rail: The table saw press guide rail can be used for 30 or 45 standard slots, or can be replaced with small slider, fixed on the back of the T slot or bracket. 4. Adjustable Height: The height of the feather board can be flexibly adjusted according to the thickness of the wood, only needs to be installed on the chute or T slot. 5. Included Accessories: This kit includes a feeding guide rail, 2 T shape slider blocks, 2 T shape screws, and 2 fixing rods, with a simple structure that is easy to assemble and use. Specification: Item Type: Table Saw Stock Roller Material: Aluminum Alloy. Package List: 1 x Press Roller2 x T Slider Blocks2 x Fixed Hand Wheels2 x T Screws2 x Slider Bars