


MB31-1/2 V-Belt Pulley Single Groove | BK30-1/2 Sheave
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
MB31-1/2 V-Belt Pulley Single Groove | BK30-1/2 SheaveThis MB31 1 2 V Belt Pulley Single Groove is designed for power transmission with its grooved surface, allowing for maximum torque and performance. The BK30 1 2 Sheave is made from steel for improved durability and reliability. Perfect for industrial applications. Product Details : MB31 1 2 V Belt Pulley Single Groove BK30 1 2 Sheave Part No: MB31 1 2 Reference Number: BK30 1 2 Fixed Bore: 1 2" Outside Diameter: 3. 15" Belt Series: 4L A 5L B Groove: 1
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.1 ★★★★★
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Product Reviews
★★★★★ 1
You get what you pay for
Size: XX-Large, Color: Eggshell White Black Mariner Stripe
Like most of the other reviews here, the shirt runs too small and too short. Material was also incredibly uncomfortable. It also wasn't the color I was hoping it would be, but that's on me for not reading the fine print (eggshell white was very much not white)
If you're looking at this for a certain costume/cosplay idea, it's probably not what you're looking for.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Solid fit
Size: X-Large, Color: Eggshell White Black Mariner Stripe
Easy fit, comfortable material. Dont expect it to last forever but at the price its solid for the purpose of a halloween costume.
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Reviewed in the United States on November 1, 2025
★★★★★ 3
Runs small
Size: X-Large, Color: Navy
Runs small and is short. Nice dark navy color. I ordered a size up and it is still small.
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Reviewed in the United States on February 26, 2026
★★★★★ 5
Great tee
Size: X-Large, Color: Medium Grey Heather
It’s a nice cotton material…not thin, just perfect. After washing, it also kept its shape.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Wonderful t-shirts
Size: X-Large, Color: Medium Grey Heather
These t-shirts are well made and have a nice thick feel to them. The sizing is spot on.
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Reviewed in the United States on April 17, 2026