Ronstan Series 45 Core Block - Single, Swivel Shackle Head ronstan stand-up base - suits series 70 ball bearing ratchet orbit blocks Cowl mouth has a rolled

Cowl mouth has a rolled edge for safety and added stiffness

This pressure is then transmitted through flexible tubing into the bourdon tube movement inside the speedometer head where it is converted into a speed reading by the movement mechanism

Hinge Offset HD 130mm S/S

filter head and two brass plugs

see nipples

Ronstan Series 45 Core Block - Single, Swivel Shackle Head ronstan stand-up base - suits series 70 ball bearing ratchet orbit blocks Cowl mouth has a rolledCore 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