Features SPECIAL CRAFTSMANSHIP LASER SCALE: Front come with special craftsmanship laser scale, the reading is clear, accurate and convenient ADJUSTABLE SCREW: Adopt adjustable screw design, when you need to fix the reading, you can tighten the screw for easy operation ACCURATE MEASUREMENT: The edge is smooth, the measurement is accurate, the inclination angle is of sharpness, and prevent hand slipping when in use ARBITRARILY ADJUST: The measurement and marking can be adjusted arbitrarily within the range of 0‑180 degrees GOOD QUALITY STAINLESS STEEL: Made of good quality stainless steel material, the surface is polished, durable and not easy to rust Specification: Item Type: Angle Protractor Material: Stainless steel Range: Approx. 1 ~ 250mm / 0.04 ~ 9.84in Opening And Closing Angle: 180° Package List:1 x Angle Protractor Package List 1 x Angle Protractor