Model Shipways - 1/4" (7mm) Boxwood Double Sheave Block 150 pcs - 311BX Sanding & Finishing Total Plastic Parts: 160+

Total Plastic Parts: 160+

105+ parts

Set includes an assortment of square

Rumania 1941

Model Shipways - 1/4" (7mm) Boxwood Double Sheave Block 150 pcs - 311BX Sanding & Finishing Total Plastic Parts: 160+Model Shipways Double Sheave Block, Boxwood 1 4" (7mm) 150 pack Blocks act as pulleys used in conjunction with the miles of line that make up the running rigging. They multiply the force exerted by the crew, enabling yards and sails to propel ships 2000 tons or larger. The more parts a tackle has (rope "legs" between two blocks, determined by the number of sheaves in the blocks), the more the motivating force is multiplied, and the heavier the object