1 1/4"-2" 40 SERIES 2ND CHECK SPRING SKU: A170100 $17.96 Login for better price Select Quantity -+ Add to Cart Additional DetailsManufacturer: Apollo Size: 1 1/4 Inch, 1 1/2 Inch, 2 Inch Product model: DC-40 / DC-40LF , RP-40 / RP-40LF