Ronstan Series 40 Orbit BB Double Block w/Becket Swivel Shackle [RF48210] Marine Hardware | Oarlocks they feature contacts which are

they feature contacts which are nickel-plated to resist corrosion and multi-crimped for durability

plus other useful data

A single eye is used on one end of the gate area to attach the gate hook

and self-powering from the NMEA 2000 bus

Ronstan Series 40 Orbit BB Double Block w/Becket Swivel Shackle [RF48210] Marine Hardware | Oarlocks they feature contacts which areSeries 40 Orbit BB Double Block with Becket & Swivel Shackle The Series 40 ball bearing Orbit Blocks provides the perfect balance of strength, performance, and reliability. They offer class leading dynamic and static load ratings, the highest available in this size of performance blocks. Lightweight and strong toughened glass fiber reinforced nylon cheeks replace stainless steel straps used in traditional utility blocks the perfect balance of