Ronstan Series 45 Core Stand-up Block, Swivelling RF44140 RWB Base size : 95 +

Base size : 95 + 88mm

Unlike grab bags

Reduces line friction during furling

Match Racing

These 5 chamber Par-Max PLUS pumps use the latest technology in design and construction to offer exceptional life and service - backed by Jabsco's 3 year limited warranty

Ronstan Series 45 Core Stand-up Block, Swivelling RF44140 RWB Base size : 95 +Universal Bearing Dynamic and high static load performance The Ronstan Universal Bearing incorporates our proven 2 stage bearing system Stage 1 Under moderate loads, Acetal ball bearings ensure minimum friction. Stage 2 Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance. Additionally the ball