HIGH FINDING PRECISION -This edge finder is a high precision measurement tool that could quickly locate workpiece edges WIDELY APPLICATED FIELDS -With its superior performance this tool is more suitable for traditional milling machines and comprehensive processing machines NONT-MAGNETIC ROTATING -The lower end of the rotating part is non-magnetic but its use does not cause problems UNIQUE MECHANICAL MEASURES -This tool uses a mechanical rotation measurement method that does not produce clamping errors allowing users to use it with confidence Color: yellow Size: total length 88mm, rod diameter 10mm, small rod diameter 4mm, outer diameter 17mm Package Contents: 1pc Optical Edge Finder Warm prompt: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding 3. Only the above package contents, excluding other products.