Ronstan Series 45 Core Block - Halyard, Swivel Fork Head 2187 Impeller suits pump shaft with

Impeller suits pump shaft with two flats (as apposed to old style one flat)

Rolco or M

D Overall Height TD1413 Cast Alloy 3/4"-16 1/2" NPT 62

Continuous length 304 grade stainless steel hinge

Ronstan Series 45 Core Block - Halyard, Swivel Fork Head 2187 Impeller suits pump shaft withCore 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