Made from hard and durable plastic that will not scratch the original shape finish by being duplicated or rust DIY Supplies: Woodworking Model Number: Drill Bit Gauge Laser scale, clear reading, more wear-resistant. The total thickness is about 1.3mm. Specification: Material: Stainless Steel Accuracy: Length 0-20mm 0.5mm Angle: 118 0.5 Application: Suitable for 118 degree angle bit, sample bit, bit blade measurement, check whether the bit front edge is concentric with the bit body. Package Included: 1 x Drill Bits Angle Gauge Note: This does not include other things, the color is based on the first picture, and other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow the deviation. THANKS!