WIDELY APPLICABLE SIZE- This featherboards compatible with for PRS3020 use in standard 3/8inch & 3/4inch (9mm & 19mm) miter slot or t-slot, and with wedge-lock system and split rail miter bar construction maximum hold for bandsaw, table saw and router fence. ACCURACY OF CUTS & - The purpose of featherboard is to prevent from slipping into the saw blade. Feather board can help an accurate cut by securing a workpiece against the fence when you are cutting, giving a and clean cut on that edge and reduce wood , which makes it a working environment . woodworker needs a professional featherboard. DURABLE, & ERGONONMIC DESIGN - The featherboards are made of an extremely durable plastic composite body & has an innovative & a simplified design that have angled & full of toughess apply steady & pressure so this kit possesses additional hardware for adaptive mounting solutions, including miter slot brackets for horizontal mounting, vertical mounting for tracks and plastic spacers for featherboards. SAFE AND CONVENIET DESIGN: Featherboard have Dual Safety Lock-System design to reduce risk of vibration and loose than featherboard has Single System design. colour: blue Material: plastic Size: about 165x130mm Package Contents: 2 x Featherboard Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.