Features： *It interacts with the saw bottom and is carefully designed to provide smooth, dead straight cutting or beveled cutting for tearing plates. *Used alternately with the router and circular saw, it must be used with the router rail adapter(194579-2) and saw rail adapter(196953-0). *This exclusive track saw track connector kit conveniently helps you to for Align your saws, while connecting guide rail to another guide rail. *Made from professional grade extruded aluminum for high performance use, long lasting durability and dependable rust resistance for all of your track saw applications and woodworking projects. *The circular saw in the picture is not included. It is only for showing the function of the product. The product package does not include the circular saw machine. Specifications： *Product name: Saw Track Guide Rail *Material: Aluminum Alloy *Color: Yellow, Black(As shown) *Size:(Approx.) 300mm/11.8'', 400mm/15.7'' *Width:(Approx.) 186mm/7.3'' *Optional Type: 300mm, 400mm, Guide Rail Connector, 1pair Clamps *Suitable for: carpentry, standard T-track, carpentry workbench Package Content： Package1#: 1*Guide Rail(Optional) Package2#: 1Set* Guide Rail Connector Package3#: 1Pair* Clamps Note： 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data. EXCELLENT PERFORMANCE: Our products are severely tested for durability by the manufacturer before leaving the factory. QUALITY MATERIALS: Made from durable, premium quality materials that have been rigorously tested by the manufacturer. REASONABLE DESIGN: our products are carefully designed by designers, easy to use and ergonomic. ACCURATE SIZE: well-made, accurate size and precise fit of the equipment you need. SATISFACTION GUARANTEE: Like all SUKIY products, Please contact us with any questions or issues that you may have. We will be more than happy to assist you.