Aluminum alloy 6061 Made of aluminum alloy + brass , machined with multi-axis precision equipment, sandblasted and anodized. Angle Scriber Easy to draw 45 degree 90 degree line. Steel ruler can be used as a positioning unit. Dovetail card slot About products: You get what you pay for.we will try to provide more high quality goods to the buyer. All products are the real description in our shop,please read product descriptions carefully. If you have any questions about the product.Please leave a message to us. About shipment 1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO) 2. Orders processed timely after the payment verification. 3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. 4. The images shown are not the actual item and are for your reference only. 5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season. 6. If you have not received your shipment within the period, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction! 7. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery. 8. We seller are not in charge of import duty, buyer is responsible for that. Any dispute caused by this is unreasonable. 9. BR buyer please provide the cpf or cnpj, it will be better for you to get it more quickly. thanks . About Refund 1. We accept Email requests for returns within 7 working days of receiving your order. 2.If the item is in your possession more than 7 days, it is considered used and we will not issue you a refund or replacement. 3. If you are not satisfied when you receive the item, please return it within 7 days for a replacement or money back. Please contact us for a return guide before you return it. 4. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your order ID. 5. If the item is defective in 3 months, We will send you a replacement without extra charge, or offer refund after we receive the defective item. 6. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. But you need pay the extra shipping fee. 7. You agree to all of the above-listed policies upon ordering on aliexpress! Customer service After receiving the parcel.If there is any quality problem, please contact us immediately. We will help you solve it. If you are satisfied with our products.Please give us a good feedback.This is our biggest encouragement. _x000D_