This circular saw rail is made of high-qualityaluminum alloy, which is strong and durable for long-term use safety buckle can help you secure right-angle rails for safe operation The Circular Saw Rail Clamp can quickly and accurately set the angle of slicing or milling, perfectly cutting 90 degree vertical lines, must be used with a circular saw for a perfect experience. It can be used as an auxiliary tool for cutting corners of engraving machines Colour:silver Material:aluminum alloy Size: 260x88x8mm Package Contents: 1 x Circular Saw Rail Clamp Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.