Quick view Add to Wishlist Apex Tool Group Crescent Lufkin® S590N Inage Oil Gauging Plumb Bobs, 20 oz, Stainless Steel, Unmarked Inage Oil Gauging Plumb Bobs, 20 oz, Stainless Steel, UnmarkedFeaturesUse to check amount of liquid left in tankFor use in heavy oils MSRP: $133.82 Add to Cart The item has been added Compare