Best in 7 days
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Ships within 48 hours · Estimated delivery Oct 2 - Oct 7
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For Your Every Summer RSVP, with Code: SUMMER15
Description
New BTT-2880S Digital Sonic Belt Tension Tester Range 10-680Hz Portable Belt Tension GaugeBrand: Graigar Features: The calculation and measurement are based on the principle of "transverse vibration of string". The tester will pick up the vibration of the belt and record it as a frequency. Enter the mass, width, and span in the following formula. frequency. The relationship between and tension can be calculated in the following formula: T=4xMxWxS2 xF2 x10 9. Adjustable probe. Can store 20 set belt parameters. Maximum frequency: 680 Hz.
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- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 1599 reviews
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Product Reviews
★★★★★ 1
Avoid. Very thick
Color: Black/Red, Size: Large
Avoid. This is a thick shirt. Can’t wear during summer
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 21, 2025
★★★★★ 5
Nice shirt
Color: Blue/White, Size: X-Large
Nice shirt
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Size up
Color: Teal01, Size: XX-Large
Great color, nice material, I’m usually buy xl but this shirt in 2xl fit terrific. It’s not loose either but just snug enough to look good
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Quality material and perfect fit
Color: Teal01, Size: 4X-Large
Excellent material, soft and stretchy, makes me seem slimmer; great color choices and breathable fabric for warm weather.
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Reviewed in the United States on April 25, 2026
★★★★★ 4
Good shirt good wicking
Color: Blue, Size: Medium
As advertised good short for wicking
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Reviewed in the United States on June 3, 2026
