Ronstan Sheave Boxes - Single Sheave Diameter:Type Cheek plates & cleat arms:

Cheek plates & cleat arms: Aluminium alloy

stabilised Acetal sheave

to allow under water viewing as far as water clarity and light permits

Moulded in high temperature

Ronstan Sheave Boxes - Single Sheave Diameter:Type Cheek plates & cleat arms:Ronstan manufactures an extensive range of sheave boxes for use with rope and wire. Plain bearing sheaves are ideal for halyards and other applications where high static loads are likely to be encountered. Application: Ideal for applications where lines (rope or wire) need to be led through decks, bulkheads or spars minimising friction and chafing Materials: Nylatron sheave Grade 316 stainless steel cheeks