ML-1 LED Spreader/Deck LightForesparA(R) now offers two mast light systems of superior quality. Model ML-1 is a deck light designed primarily for installation on the mast just below the spreaders. Model ML-2 is a combination deck-steaming light with separate switching, to be mounted on the forward part of the mast.The ML-1 and ML-2 lights feature a durable molded polymer housing assembly with a readily adaptable wraparound mounting apron to accommodate virtually any mast surface curvature. For 12V systems. Replacement bulbs are available from ForesparA(R) and most marine dealers.Features: Lightweight Rugged Composite Material Adaptable to Mast Radius of Ease in Mounting 20W Adaptable to Mast Radius of Ease in Mounting 20W Easily Replaceable Halogen Type Bulb 1.4 amps Weighs 4 oz. - Measures 3-5/8" Vertically Provided with 6" of Twin-Lead Wire Molded Body Available in black finish only Replacement bottom ring for NL-1 & 2 Top bulb ML-2 Bottom Bulb ML-1 & 2. Top Clear Lens, ML-2 only. Protect your mast lights from sails and birds