Ronstan Ratchet Orbit Block, Series 55 - Single, Cleat, Swivel, Auto skin fitting These robust 5 chamber diaphragm

These robust 5 chamber diaphragm pumps have a sealed prssure switch

Sold as 2 sets of rings

SIERRA    185919

Master Service Kit to suit both Johnson F6B-9 10-24930-01 Pumps

Simply hammer them together and dolly over for a seamless connection

Ronstan Ratchet Orbit Block, Series 55 - Single, Cleat, Swivel, Auto skin fitting These robust 5 chamber diaphragmFeatures: Up to 20: 1 holding power Smooth easing of sheets High performance cleating Materials: Sheave: Anodised Aluminium Ball Bearings: High compression strength carbon black Acetal Frame Cheeks: Toughened, glass fibre reinforced Nylon Rope Link: UV stabilised, multi strand impregnated SK75 Dyneema Automatic ratchet block Now you can enjoy the flexibility of setting up your ratchet blocks to suit yourself. Ronstan is the only company that offers a