Model Expo - 1/4" (7mm) Boxwood Single Sheave Block 40 pcs

Marsoni

M251S

$11.70

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

Model Expo - 1/4" (7mm) Boxwood Single Sheave Block 40 pcsModel Shipways Single Sheave Block, Boxwood 1 4" (7mm) 40 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

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I've worn these sunglasses for over 2 years now and they haven't broken; a lense hasn't popped out. They are of exceptional quality for the price and they aren't heavy. Some of these sunglasses with the side panels will sit below your eyes and when you take them off, your skin is pulled and marked up. Not these.

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Reviewed in the United States on June 7, 2026

Verified Purchase

Bella

Cuba, US

★★★★★ 5

Get them!

Color: Black

This Sun glasses are beyond my expectations, they are comfortable, light, stylish, extremely well made, I have other “better” brands and trust me, they suck compared to this one, just like other reviews say, they are very nice.

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Reviewed in the United States on July 17, 2022

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adriana rengifo

Fort Morgan, US

★★★★★ 5

Un gran producto

Color: Black

DIVINAS

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Reviewed in the United States on April 8, 2026

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Christopher V Weddle

Grantham, US

★★★★★ 4

Good but check screws for looseness, mine had an arm fall off.

Color: Black

A screw fell out and the arm fell off soon after beginning to use them. Aside from that they are fine. Repaired by buying a $10 eyeglass repair kit.

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Reviewed in the United States on January 23, 2026

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Andrea Zapata Velez

Lexington, US

★★★★★ 5

Buen cubrimiento

Color: Black

Excelentes, buena calidad

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Reviewed in the United States on March 15, 2026