Ronstan Utility Block, Series 50 & 60 - Single, Swivel Shackle Head flap Hose sizes are internal hose

Hose sizes are internal hose size

If you purchase a coupling and require it fitted

1 x Clamp & Shim

Shaft stem diameter - 16mm

10 Course Mapping Memory

Ronstan Utility Block, Series 50 & 60 - Single, Swivel Shackle Head flap Hose sizes are internal hoseAll purpose (AP) blocks are a great all around solution. Self lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing Features: Exceptionally high working loads Low maintenance, long service life Self lubricating Acetal