Measuring Range: 1/64 - 17/64inch step by 1/64inch and 9/32inch - 1/2inchstep by 1/32inch with holder Individual marking: Each radius gauge is labeled with a model number, making it easy to quickly select the appropriate model. High-Quality: Made of high rust resistant steel, it is rust resistant and durable. High Efficiency: different specifications of radius gauges can greatly improve your efficiency Portable Radius Gauge Set: Equipped with a foldable plastic protective cover, it can help you effectively store these radius gauges for easy carrying. Colour:As Shown Material:Metal Package Contents: 1 * Radius Gauge Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.