SKU: 72744922401

Edge-On-Up Professional Edge Tester PT50B

Sale price$109.35 Regular price$121.50
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Description

Edge-On-Up Professional Edge Tester PT50BHighlights Accurate BESS certified sharpness testing Measures and quantifies sharpness with precision User friendly PT50 Series Sharpness Tester Designed for professional sharpeners and knife enthusiasts Fine 5 Gram Resolution for detailed sharpness analysis Portable and lightweight design for convenience Includes Edge On Up Fulcrum support Heavy Steel Measurement Platform for stability Easy 3 Button Operation 2 AAA Batteries Included for immediate

Highlights
  • Accurate BESS certified sharpness testing
  • Measures and quantifies sharpness with precision
  • User-friendly PT50 Series Sharpness Tester
  • Designed for professional sharpeners and knife enthusiasts
  • Fine 5 Gram Resolution for detailed sharpness analysis
  • Portable and lightweight design for convenience
  • Includes Edge-On-Up Fulcrum support
  • Heavy Steel Measurement Platform for stability
  • Easy 3-Button Operation
  • 2 AAA Batteries Included for immediate use
Description

Determining the sharpness of a blade requires precision and consistency beyond the standard methods like cutting printer or newspaper or shaving arm hair. To truly prove sharpness, professionals and enthusiasts rely on the BESS certified PT50 Series Sharpness Tester from Edge-On-Up.

The BESS (Brubacher Edge Sharpness Scale) standard, developed by Mike Brubacher, provides an accurate measurement of knife sharpness. Adopted widely, this user-friendly test method is trusted to determine the sharpness of a blade.

Details

The PT50 Series of Edge-On-Up Sharpness Testers give you the ability to measure and quantify the level of sharpness of any tested edge. These systems work by measuring the force in grams required to cut through a standardized and calibrated test medium. The result is a numerical output on the display that allows you to compare the relative sharpness of edges.

To provide more context, a table has been created to show how the score relates to the total BESS scale, ranging from 2000 BESS for an unsharpened knife to 0 BESS for the highest sharpness achievable. Knives with a score below 50 BESS are considered razor sharp. Lower BESS values indicate sharper blades, as less weight is required for cutting.

Specifications
  • 10 measurements-per-second processor
  • Fine 5 Gram Resolution
  • Heavy Steel Measurement Platform
  • Portable Lightweight Design
  • 3 Button Operation
  • 2 AAA Batteries Included
Product Inclusions
  • Edge-On-Up PT50B Sharpness Tester
  • Edge-On-Up Fulcrum support
  • Aluminium base and DoubleX test medium
  • New Test Fixture

The Edge-On-Up Professional Edge Tester PT50B is the workhorse instrument for professional sharpeners, knife enthusiasts, and woodworkers. It offers accurate and precise measurements, thanks to its 10 measurements-per-second processor and fine 5 Gram Resolution. The heavy steel measurement platform ensures stability during testing, while the portable lightweight design allows for convenient use in various settings.

The PT50B Sharpness Tester features an easy 3-button operation, making it user-friendly and accessible for users of all skill levels. It comes with 2 AAA batteries included, allowing for immediate use upon receiving the product.

Included with the Edge-On-Up PT50B Sharpness Tester is the Edge-On-Up Fulcrum support, which enhances the testing experience and provides additional stability when measuring sharpness. The tester also comes with an aluminium base and DoubleX test medium, along with a new test fixture.

With its BESS certified sharpness testing and ability to measure and quantify sharpness with precision, the PT50B Sharpness Tester is a reliable tool for assessing the sharpness of blades. Whether you're a professional sharpener or a knife enthusiast, this tester will help you achieve optimal blade sharpness and ensure top performance.

Test Media Options

Edge-On-Up DoubleX + Test Media Canister

  • BESS-certified DoubleX test wire delivers standardized, globally comparable sharpness readings with the PT50A tester.
  • Made from temperature- and moisture-resistant polymer for stable, repeatable results across different testing conditions.
  • 0.23 mm precision wire optimized for Edge-On-Up testers, with up to 325 measurements per can for high-volume testing.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 72744922401

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T
New York, US
★★★★★ 5
Nice quality, looks brand new even with daily use! Worth it!
Size: 6 Panel, Color: White
I got the Rose Home 6 panel room divider folding privacy screen and I LOVE it. I use it every day - extending it out to both block the sun, provide a backdrop for my plant wall, use as a backdrop for zoom calls, create privacy at night in front of the big windows and clear doors, and make impromptu study privacy walls in the office. This 6-panel has been the GOAT! Even though the screen is made of a woven paper material, it is still going strong despite daily use and has NOT broken anywhere. The frame is taller than other folding screens I've purchased and this one is also heavier and sturdy. Additionally the hinges fold open in BOTH directions (some screens only fold open in 1 direction like a Z). I use the folding screens indoors, but they have no issue with the AC or fans for wind resistance indoors. Sometimes I use them to hide storage or junk in the corner and make the room look neater. I also have a different brand that is the same material but has 8 panels and I love them both. I got 2 others that were made from synthetic canvas webbing belt/leash fabric and those break so fast - I just had to throw 1 away. This one is worth the money, even after daily use, it looks brand new!
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Reviewed in the United States on January 7, 2026
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Melinda Nunn
Lowell, US
★★★★★ 5
Already assembled!
Size: 8 Panel, Color: Natural
Came way sooner than the estimated delivery date and it looks awesome! Biggest plus is it came ALREADY ASSEMBLED! I was expecting self assembly but maybe that's on me for not reading the specifics. Hoping it's the right size for my new studio apartment. So far the look and functionality is 10/10
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Reviewed in the United States on December 17, 2025
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Deby
Birmingham, US
★★★★★ 5
buen producto
Size: 6 Panel, Color: Dark Coffee
Me encanta mi biombo , lo compre porque no me cabe las prendas de vesir que tengo en el colgadero y el closet no me es suficiente.Puse el colgadero detras del biombo y no se nota nada , me gusta mucho. Buen material y firme
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Reviewed in the United States on February 18, 2026
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Ishmail Hamed
Belleville, US
★★★★★ 4
Nice product!
Size: 8 Panel, Color: Black
It looks great just like the picture and it's is good material. Could be a little more sturdy but overall I am pleased with the purchase.
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Reviewed in the United States on March 22, 2026
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Bunny W. Macon
Los Angeles, US
★★★★★ 5
Light weight & Sturdy
Size: 6 Panel, Color: Dark Coffee
I am so pleased with them. My lanai gets morning sun and I am concerned about the UV rays fading the fabric of my furniture No more having to cover each piece at night. The screens are great. Thank YOU
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Reviewed in the United States on November 10, 2025

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