


Reference Stage Graticule, supplied with a certificate of calibration from NPL UKAS
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Reference Stage Graticule, supplied with a certificate of calibration from NPL UKASPattern NPL Description Reference Stage Graticule Key features Image Analysis Standard, also known as reference stage graticule. Supplied with NPL certificate of calibration. Order code 05B01085 This calibration stage contains four test areas comprising; a 400 x 400 micron square grid, a 20 x 17 monosize array of 15 micron diameter spots, a Root 2 array of spots from 3 to 48 micron diameter, and a log normally distributed array of 100 spots ranging
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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★★★★★ 4
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Color: Four colors, Size: 5cm (ball only)
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Reviewed in the United States on February 28, 2026
★★★★★ 5
Great toy
One of the best dog toys ever! Well made & sturdy enough to withstand hrs of play & tug between my Lab & my Westie.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
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Great for a dog who loves balls. Extremely durable for my the dogs, each over 100#!
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Favorite toy.
Seems to be of good quality. There are probably a dozen different name brands for these balls. Our puppy loves these. Our son’s 90 pound golden lab has had one for a couple years. He has his outside and it’s a very similar design. Although not the same manufacturer.
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Reviewed in the United States on April 18, 2026
★★★★★ 4
Ball obsession
Dog loves these but he is an aggressive chewer so once he gets a hold of that sweet spot ball has no chance..
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