Ronstan Utility Block, Series 25 - Single, Swivel Shackle Head fuelfilters Medium: Face Diameter: 149mm

Medium: Face Diameter: 149mm

Nitrile (oil resistant) Shaft: Stainless steel Shaft seal: F35–F7B : Lip or Mechanical seal

one-way air valve and air/water control valve

5 metre head - filling or emptying a 200 litre ballast tank in just under 6 minutes

Ronstan Utility Block, Series 25 - Single, Swivel Shackle Head fuelfilters Medium: Face Diameter: 149mmStainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket for extra purchase. Features: Lightweight durable construction Economical Maintenance free Applications: Vang, cunningham and trapeze retriever systems on dinghies Leech line tackles, bunk adjusters etc on larger yachts Materials: U. V. stabilised Acetal