Finally, an easy way to measure your lobster at night!!! Features of this great product include: Includes everything that you need to attach the lobster gauge to your favorite light Kit includes: 2 sided lobster gauge 3-3 1/4in 2 screws (for lobster gauge) 2 nuts (for lobster gauge) 1 large stainless hose clamp 1 small stainless hose clamp 2 side plates Light not included Fits 2 3/4in to 5in Diameter Lights AUTHORIZED DEALER, FULL MANUFACTURER'S WARRANTY!!! Make sure your lobster is legal the easy way with this great gauge!