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📏 Size it right, every time — don’t let your O-rings hold you back!
The BUSY-CORNER Blue Telescoping O-Ring Sizing Gauge is a precision tool designed for professionals managing AS568 O-rings. Measuring sizes 001 through 475, its durable plastic build and telescoping slide mechanism deliver accurate, repeatable sizing. Perfect for hydraulic and industrial repairs, this gauge streamlines O-ring identification and inventory management, backed by strong user reviews and a trusted manufacturer.
| ASIN | B08BHR6GG8 |
| Best Sellers Rank | 45,322 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 143 in O-Rings |
| Brand | BUSY-CORNER |
| Colour | Blue |
| Customer Reviews | 4.6 out of 5 stars 129 Reviews |
| Manufacturer | Delson Rubber & Hardware Tools PTE.LTD |
| Manufacturer Part Number | o ring gauge blue |
| Material | Plastic |
| Model Number | o ring gauge blue |
| Nominal Outside Diameter | 13 Inches |
| Nominal outside diameter | 13 Inches |
| Set Name | O-Ring Set |
| UPC | 722794896965 |
| Unit Count | 1.0 count |
R**4
Works as expected
Bought for work, seems to work fine, hasn’t been used in anger. Bigger than expected
A**R
This tool is great!
This tool is awesome. I never leave reviews but this little gadget is impressive and accurate. I have a hydraulic repair shop and decided to overhaul my oring storage system. I have thousands of o-rings and this tool was invaluable during this process. There is a bit of a learning curve with the amount of tension you put on the oring when reading the size . This handy little tool can read any oring on the dash system from -001- 475. Overall, if you deal with o-rings in any capacity buy it!
M**E
muy util
espectacular
J**K
O ring gauge
Great gauge for finding o ring size. Fits in a tool box or bag. Easy to use.
F**L
Inaccurate
The gauge read two sizes smaller. The size for a 025 o' ring is shown on the chart as ID 29.87 mm . The vernier caliper measured ID as 33 mm which is for a 027 o' ring. O well, I guess I will have to estimate it up or I might consider returning the tool
C**T
Handy tool
Easy to sue, seems pretty accurate as long as you get a feel for how much tension to use. Identifies tons of different o ring sizes. Quality is fine for what it is, easy to read and should hold up well.
Trustpilot
4 days ago
3 weeks ago