The “Aluminum Alloy Miter Fence Extension Support Woodworking Table Saw Miter Gauge” is a miter fence extension designed for table saws. It is made of aluminum alloy, making it durable and sturdy for woodworking projects. The extension provides additional support and precision for cutting wood at various angles with the table saw. While the exact number of items in the set is not specified, the product includes a miter gauge for accurate angle measurements. Additionally, the battery status is not relevant as this product does not require a battery for operation. Excellent Aluminum Alloy Material: This table saw miter gauge fence is made of excellent aluminum alloy material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. High Accuracy: This table saw miter gauge fence features high accuracy, and the minimum adjustment accuracy is 0.002mm. Double Sided Scale: This table saw miter gauge fence features a double sided scale, with one metric side and one imperial side, which can be switched freely. Easy To Operate: This table saw fence is very easy to operate, you can align the scale as you need and cut without measuring and scribing. Wide Application: This table saw miter gauge fence is widely used for woodworking, modeling, DIY and furniture processing.