Model Expo - 5/16" (8mm) Walnut Single Sheave Sister Block 8 pcs

Marsoni

M251S

$11.70

Get it in 3 business days with 1 day shipping. Friday, May 29

Model Expo - 5/16" (8mm) Walnut Single Sheave Sister Block 8 pcsModel Shipways Sister Single Sheave Block, Walnut, 5 16" (8mm) 8 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

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I bought these to try out, and I was shocked to find they worked out better than my silk pillowcases. I have atopic dermatitis, and I need a pillowcase that doesn't irritate my skin. I also am having hot flashes and need something cool on my face. These pillowcases are perfect for both my conditions. I plan to buy more in different colors. My sons and husband also like it since they are always hot.

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Reviewed in the United States on May 30, 2026