Featherboard, Woodworking Vertikal Featherboard, Flip-Chip Engraving Electromechanical Circular Saw Router Tables Blue Adawd. First-level Materials: boards and accessories are made of high quality and materials, made of plastic composite materials, which are practical and . No additional hardware required: This unique board can be quickly and easily connected to the miter slot without additional hardware. Multi-purpose: board prevents the board from falling, tilting or sliding, and is specially used to fix the board during the cutting process. Applied to: board with T-shaped screws for standard 3/8\" x 3/4\" (9mm x 19mm) miter grooves. WIDELY ANWENDBAR: Woodworking Vertikal Board is suitable for various operating tables, as table saws, band saws, inverted machine inverted electric circular saws, standard slides, and small slides.