Die-cast marine grade aluminum alloy. Fully-adjustable swivel arm with vibration-proof locking teeth. Fully rotatable shroud, gasketed die-cast brass. Fasteners are 300 series stainless steel.
Lamping 50W maximum MR16 bi-pin lamp. Lower wattage lamps are acceptable.MR16 bi-pin BAB lamp is included. Covered MR16 are recommended to protect lamps inner capsule.