Single Sheave Blocks Walnut 3/32" (2.5MM) 150/Pack from for Model Ship Building - Model Expo MS0301BW

• BLOCK, SINGLE, WALNUT 3/32" (2.5MM) 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. Blocks came in many sizes and of one, two, three, even four sheaves. Note: Model blocks do not have scale sheaves. Instead, sheaves are represented by a hole in the block. Single Sheave / Walnut / 3/32" / 2.5mm. Model Expo has been serving hobby enthusiasts with precision Models since 1976, and is a hobby tools manufacturer, distributor, and reseller., Manufacturer: Model Expo