Only 15.5mm in height with small deflection, suitable for various places Grease (NSF H1 Registered Food Grade Lubricants) for food machinery is usedWARNING: This product can expose you to chromium, nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65WARNINGs.ca.gov.