Meets ABYC Standard A-16.Stow-A-Way light with base provides 2-mile visibility for sail or powerboats under 39′. Anti-glare globe. 12V DC – 15 CP lamp included. Base is pre-drilled and countersunk to accommodate #10 screws. Base is die-cast zamak with Perma-Plate chrome finish. Overall height: 24-1/8″. Poles are 3/4″ anodized aluminum. Base fits Attwood 7100 and 5100 series.