ZETA and DRC products are distributed over 50 countries now. They ride dirt bikes. They develop products for dirt bikes. They test, manufacture and supply high quality products for dirt bike riders. 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.