Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount J10 Pulley w/Isolated Ground [621-100-J10] Steiner Optics Better known as “semi-custom” covers

Better known as “semi-custom” covers

Fits easily in a backpack so you can easily take it anywhere you want to go

SonarChart™ Live mapping feature allows boaters to create new personal 1’ HD bathymetry maps that display in real time on the screens of their compatible plotters while navigating

Fluke Length - 28" (711mm)

Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount J10 Pulley w/Isolated Ground [621-100-J10] Steiner Optics Better known as “semi-custom” coversAlternator 100 AMP 12V 1 2" Single Foot Spindle Mount J10 Pulley with Isolated Ground Alternator, 621 Series, 100A, 12V, Spindle Mount (Single Foot), 1 2in, J10 AltMount Serpentine Pulley, Isolated Ground 1" Motorola Style Mounting; Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2" Delco Style Mounting; Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM based