HF-743 - Helmsman Helmsman Compass Features:3 3/4"" CombiDamp DialEasily Installed Fits 4"" Mounting Hole Exclusive Built-in Green NiteVu Night IlluminationBuilt-in Compensators to Easily Adjust for DeviationScientifically Matched Sapphire Jewel and Hardened Steel Pivot Dial MovementPowerful DirectiveForce Magnets for Fast Heading Lock-onMovable Sun ShieldAdapter Rings Included, 6"" (15, 24) Retrofits Existing Mounting Hole for Model No, HF-72/73, 45 Degree Lubber LinesHigh Temperature Composite Construction for Extended Operating RangeCustom Fitted Protective Covers Available100 RepairableExclusive 5-Year Ritchie WarrantyApprox, Shipping Weight: 2 lbs (907g)Protective Cover: H-741-CReplacement PartsLight Assembly: SH-0195 KIT (Green) SH-0202 KIT (red); Uses 2 sets of the same lightNotes:All magnetic compasses come standard with 12 volt lighting, 24 & 32 volt lighting options are available, For all Helmsman built before 1992 please see the service manual page 5-14 or contact Ritchie for replacement lighting, Some custom built OEM models may have different lighting, Product : RITCHIE HF-743 HELMSMAN COMPASS Manufacturer : RITCHIE COMPASS Manufacturer Part No : HF-743 UPC : 010342138279 SKU: CW10361