STRONG MATERIAL: Table saw miter fence is made of aluminum alloy, can resist wear, maintain lasting accuracy, suitable for woodworking, modeling, handmade and furniture processing 2. DOUBLE SIDED SCALE: The miter gauge fence system is equipped with two scales in metric(mm) and imperial(inch), which are clearly marked for easy reading of values 3. TELESCOPIC FENCE: The main length of the miter gauge fence is 500mm and can be extended to 900mm. High accuracy machining, the minimum adjustment accuracy can up to 0.002mm 4. WIDELY USED: The table saw fence matches the bevel gauge commonly used in the market, and the center line of the T groove is 38mm(1.5in) from the back substrate 5. MULTI FUNCTIONS: This multi t track can be used for a wide assortment of woodworking projects, including creating general fixtures and jigs, workstations. Item Type: Miter Gauge Fence Material: Aluminum alloy Adjustable Length: Approx. 500 900mm / 19.68 35.43in Center Line From Back Substrate: Approx. 38mm / 1.5in. 1 x T Slot Rail 1 x Limit Stop 2 x Slider 2 x Handle. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.