The SNITCH 1.5W LED Handrail Lights are marine grade quality, covered with a five-year warranty. These LED recessed fittings have a stainless steel (316L) front face protecting them from water including saltwater and general corrosion. Suitable for tube with diameter 48-60mm, and tube wall thickness 1-2mm. Asymmetrical 30°x60°optic, with spring for fast recessed installation.