Ronstan Series 40 Orbit BB Quin Block w/Swivel Shackle [RF48500] Marine Navigation & Instruments | Instruments The Siren 3 Pro provides

The Siren 3 Pro provides a better boating experience with remote monitoring

Micro Carbo-Cam® with bullseye keeps line fair

G (inch) 1-11/16"

Width Range: 2

Ronstan Series 40 Orbit BB Quin Block w/Swivel Shackle [RF48500] Marine Navigation & Instruments | Instruments The Siren 3 Pro providesSeries 40 Orbit BB Quin Block with 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 performance and