Constant Level Oiler, Reservoir Cap. (Oz.) 8 oz, Height (In.) 6 11/16 in, Width (In.) 3 3/16 in, Thread Size 1/4, Bowl Dia. 3 3/16 in, Glass, Capacity 8 fl oz, Function Maintains Constant Level Of Oil And Prevents Accidental Overfilling, For Use With...