Balmar Alternator 100 AMP 12V 3.15in Dual Foot Saddle Pulley w/Isolated Ground One Size. 15" Dual Foot Saddle Pulley with Isolated GroundAlternator 60 Series 100A 12V Saddle Mount (Dual Foot) 3.15in Dual Deep Vee Pulley Isolated Ground Hitachi-Style Mounting; Typical for Yanmar Westerbeke Lehman & Perkins-Sabre EnginesReplaces: 60-100-SR-IGThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications for Balmar Alternator 100 AMP 12V 3.15in Dual Foot Saddle Pulley w/Isolated Ground: Manufacturer: Balmar Application: Outdoor Color: White Package Contents: Balmar Alternator 100 AMP 12V 3.15in Dual Foot Saddle Pulley w/Isolated Ground Balmar 60-100-DV: Alternator 100 AMP 12V 3.15in Dual Foot Saddle Pulley w/Isolated Ground One Size