・ Oil level gauge for open cartridge and conventional front fork. ・ Easy to take extra oil with Syringe from the front fork. ・ Easy to set oil level with oil level adjuster, one push to adjust gauge position. ・ Stainless syringe pipe, push adjuster, oil resistance syringe pump body. * Do not use this product for application other than front fork oil level adjustment. * Be sure to drain the internal oil after use.