Due to their direct attachment capability, Ronstan Lashing Blocks are extremely versatile. They can accept multiple lashing lines at the head and the hollow hub can be utilized as a becket take-off. Unlike others on the market, these hollow hubs feature large radii to minimize rope fatigue.Features: The highest strength-to-weight ratioMinimal friction loss, especially when working at high loadsTotally reliable and trouble free performanceSimplicity of design and construction to facilitate maintenance and servicingElegant, functional styling and finishMaterials: Fully machined Alloy cheek platesAlloy sheaves with captive ball racesTorlon needle rollersAcetal guide rollersCarbon black Acetal ball bearings—Series 60 and 80