They feature a Teflon®-lined, stainless steel braided outer housing and flexible inner dipstick cable to measure oil levels. The Lokar Anchor-Tight locking flexible engine dipsticks are available in your choice of red, blue, black, or brite anodized handle and fittings. Whether you're using stock exhaust manifolds or installing a set of headers, Lokar Anchor-Tight locking flexible engine dipsticks are guaranteed to keep your dipstick handle locked in the correct position.