FUNCTION: This fork oil level gauge tool is used to add or remove oil from engines, transmissions, turbos, differentials, and so on. It's an essential tool for servicing your forks. FEATURE: The fork oil straw tool quickly help you measure oil levels and keep your workspace clean. The adjustable ring measures oil levels from 0 to 300 millimeters in 0.5-centimeter increments for accurate levels of oil, so you don't have to stress over the right amount of oil in the forks. HIGH QUALITY: This tool is made of premium quality material, The markings on the metal tube is accurately marked. The tube is made of Type 18-8, and is not easily Bent. A VARIETY OF APPLICATIONS: This fork oil level tool can be used on bicycles equipped with front suspension, also compatible with replaces HD tool HD-590000-B and Buell tool B-590000-B. TYPE:Fork Oil Tool, Fork Oil Level Tool, Fork Oil Level Gauge Tool, Fork Oil Level Measurement Gauge Tool Color:Blue Material:Metal+Plastic Package Contents: 1 x Fork Oil Level Measurement Gauge Tool 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.