Check your oil level at a glance! Peterson's Universal sight tube kit allows just that and is perfect for marine applications or other vehicles where a dry sump tank is difficult to check with a dipstick. Fabrication is required, kit Includes (2) weld in aluminum tube bends, 12" of Teflon® tube and (2) hose clamps. Made in the USA since 1976, Peterson Fluid Systems continues to lead the industry through innovation.