Ronstan Utility Block, Series 50 & 60 - Single Block, Cheek Johnson water pump Fully adjustable - locks in

Fully adjustable - locks in 4 positions

The MV-3 side mount control is designed for all installations including inboard ski boats

Self priming up to 3

90 deg x 20mm barbed breather vent outlet

Ronstan’s range of Acetal sheaves is moulded from a specially modified ultra-violet resistant grade of material to provide a long service life in the tough marine environment

Ronstan Utility Block, Series 50 & 60 - Single Block, Cheek Johnson water pump Fully adjustable - locks inAll 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. Can be mounted on masts and booms using the curved surface adapter. Can be stacked to create a double