Ronstan RF55521 Orbit Series 55 Fiddle Block – Adjustable CleatThe Ronstan RF55521 Orbit Series 55 Fiddle Block is engineered for high performance sailing applications, offering exceptional strength to weight ratio. Featuring a 55mm main sheave and a 35mm fiddle sheave, this block accommodates rope diameters up to 10mm. Its 2 stage orbital ball bearing system ensures low friction and high load capacity, with a maximum working load of 500kg and a breaking load of 1000kg. The adjustable cleat arm allows for

Featuring a commercial-grade 1000W IP68 stainless steel submersible motor and full rope/chain installation kit

Temperature Range: -40°C to +110°C

High-visibility colours for safety on the water

Low-maintenance operation

This one-component polyurethane sealant cures with atmospheric moisture to form a durable

How durable are they

Working load: 136 kg (300 lb)

Product Type: Small grab bag for emergency gear

sustainable choice for eco-conscious marine sanitation

Parachute Descent – Slower fall for extended visibility time

Jabsco flexible impellers offer reliable

One size fits most