Ronstan Series 45 Core Block - Single/Swivel Haylard Boat J/70 Use MEGA 360 Imaging without

Use MEGA 360 Imaging without sacrificing boat control

29 mm blocks feature a one-piece titanium outer race/sheave

Integrated GPS Receiver

High strength to weight ratio

Create and save maps with 1’ contours with built-in Quickdraw Contours software

Ronstan Series 45 Core Block - Single/Swivel Haylard Boat J/70 Use MEGA 360 Imaging withoutSeries 45 Core Block Single Swivel Haylard Core Blocks are a true all round solution. A tuned 2 stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets,