Ronstan Single Sheave Box Canvas Covers Viper 640 Total SWL per unit -

Total SWL per unit - No of sheaves x 200kg (440lbs)

plus 1 at transom gunwale secure cover

Diameter d - 5/16" (8 mm)

52" (64mm)

Insulation: 100% Polyester - 160 g/m in body

Ronstan Single Sheave Box Canvas Covers Viper 640 Total SWL per unit -Product Description Ronstan Single Sheave Box Features Sheave 2 in. Max. Rope 1 2 in. Max. Cable 3 16 in A 2 7 16 in. B 1 5 8 in. C 13 16 in. D 3 16 in. E in. B. L. 3300 lb. Weight 5. 1 oz. Product Information 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. Applications Ideal for applications