Features: Brand new and high quality Aluminium Alloy: The board main body is made from excellent aluminum alloy, rust and corrosion resistance. Shock Absorption: Flexible PU wheels increase friction, ensuring good shock absorption effect, preventing board deviation 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. Adjustable Height: The height of the board can be flexibly adjusted according to the thickness of the wood, only needs to be installed on the T slot. Rubber wheel widening design: This saw roller adopts rubber wheel widening design to prevent slipping and ensure that the guide wheel independently compresses the wood during dynamic sawing. The use of one-way bearings prevents recoil during work and is safer. Specifications: Material:Aluminium Alloy Size:Approx.100x124x16mm/3.93x4.88x0.63inch Package Includes: 1 Set Table Saw Stock Roller note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.