ect lines, accurate angles and precise measurement for architect, engineers, draftsmen, carpenters.    Features:  Made of stainless steel material, high toughness, wear resistance and can provide long service time.  Adopts both metric units and imperial units, laser engraving, scale is accurate, clear and wear resistant.  Units switchable design, it can be switched between D and M   Equipped with data-holds and reset function, convenient for data records.  Aucomatic shutdown function, it will automatic shut off after 3 minutes no operation.  Folding design, the ruler body can be folded to save space when it is not used.   The sharping end can be storaged inside for safety.  360 degree rotary design, for measuring and marking different angles.  Wide applications, suitable for DIY and professional woodworking, creating perfect lines, accurate angles and precise measurement for architect, engineers, draftsmen, carpenters.    Specifications:  Name: Digital Angle Ruler  Material: stainless steel+plastics  Battery: 1 * CR2032 battery, 3V, 240mAh (included)  Folding length: 210mm / 8.27in  Expand length: 320mm / 12.60in  Handle size: 140 * 27 * 21mm / 5.51 * 1.06 * 0.83in  Item weight: 140g / 4.94ounce  Package size: 300 * 40 * 40mm / 11.81 * 1.57 * 1.57in  Package weight: 250g / 8.82ounce    Packing List:  1 * Digital Angle Ruler      By the way,if you like our store,please add our store to your Favorite Stores.You can get our New arrival and Discount   information in time.