Ronstan Series 75 Core Block - Mast Base engine control Al head with full 3-axis

Al head with full 3-axis articulation

Swivel fork has a 5mm and 11

0625" (53mm)

3 step 295mm wide - 395mm to 850mm length

Ronstan Series 75 Core Block - Mast Base engine control Al head with full 3-axisCore 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