Constant Level Oiler, Reservoir Cap. (Oz.) 4 oz, Height (In.) 4 9/16 in, Width (In.) 2 5/16 in, Thread Size 1/4, Bowl Dia. 2 5/16 in, Plastic, Capacity 4 fl oz, Function Maintains Constant Level Of Oil And Prevents Accidental Overfilling, For Use With...