Description: HIGH QUALITY RULER BODY - Activity angle ruler is made of hardened stainless steel, rust resisting, can be used for a long time and not easy to rust.Sturdy and not easy to break off. COMFORTABLE WOOD HANDLE - High-quality hardwood handle for comfortable grip.Use the tool to duplicate any angle from 0 to 360 degrees,can quot;knob" to lock angle. LASER ENGRAVED GRADUATIONS - Excellent build quality that will last long and laser engraved graduations that will not fade over Clear and easy to read. LIGHTWEIGHT AND PORTABLE: Lightweight and portable, easy to carry and store. MULTIPLE APPLICATIONS - Perfect use, creating perfect lines, accurate angles and precise measurement for engineers, draftsmen, carpenters. Specification: Material：Wood + Stainless Steel + Copper Size 01： Fold Length: 280mm / 11.02inch Unfold Length:405mm / 15.94inch Ruler(LxWxH):250x25x1mm / 9.84x0.98x0.04inch Handle(LxWxH): 180x25x19mm / 7.09x0.98x0.75inch Size 02： Fold Length: 350mm / 13.78inch Unfold Length:495mm / 19.48inch Ruler(LxWxH):300x25x1mm / 11.81x0.98x0.04inch Handle(LxWxH): 215x25x19mm / 8.46x0.98x0.75inch Package Includes: 1 Piece Sliding Bevel Square Note: Color maybe slightly different due to different monitor. The above size is measured by hand, please allow slightly difference. Thanks !