Ronstan Series 75 Core Block - Single, Aluminium Rope/Wire Sheave fuel The 3-spoke design

The 3-spoke design

minimising rope wear

gunwale to centre of transom

Stainless 3/8" Mounting Studs

Gauge type: Water Pressure gauge

Ronstan Series 75 Core Block - Single, Aluminium Rope/Wire Sheave fuel The 3-spoke designCore 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, halyards and control line applications for