Koso Temp And Oil Level Dipstick For Harley Touring Koso has over 30 years of experience in designing and manufacturing high quality products. They are known for their product's quality, reliability and capability. The Oil dipstick by Koso is a fast and simple solution to verifying oil level as well as temperature. Features: Dipstick reads oil level and oil temperature At the push of a button, the equipped precise sensor provides in-time accurate temperature readings Installation is simple, just remove the OEM oil cap/dipstick and install this one