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The Starrett 657AA Magnetic Base Indicator Holder is for use with all Starrett test, back-plunger, AGD, dial, and miniature-dial indicators. It also accommodates similar indicators of other manufacturers. It includes a magnetic base with all attachments: an upright base post, two snugs, a rod, and an indicator attachment.
From the Manufacturer
Test Indicators cannot be used without proper holders. The 657AA is for use with all Starrett Test, AGD, Dial and Minature -Dial Indicators. Also accomodates similar indicators of other manufacturers.
RRV-Projection
2025-07-23 10:43:01
A little pricey but worth it. Starrett product are top notch.
Pachyderm
2025-06-21 10:18:05
Used this with my Starrett dial indicator to re-gear the five differentials on my 2003 and 2013 Jeep Wranglers and my RWD 1990 Volvo 740. Excellent build quality, made in the USA by folks who take pride in producing very high quality measuring instruments. Not cheap, but will last a lifetime. Just like the old days. Quality is worth the expense for some things. This is one of them. The cheap POS from Harbor Freight doesn't even stay on the differential housing without shifting around. This magnetic base allows you to take accurate measurements of backlash, etc. It is expensive but saves you a lot of time (and the expense of eight or nine crush sleeves). If you only need to use it once you can always sell it later on CraigsList. These - around here, at least - sell quickly. I plan on keeping mine, however. I have already used it enough to have gotten my money out of it. Great magnetic base. Highly recommended!
James s
2025-06-02 14:07:11
If you can afford it , buy it. From the magnet to the rail everything feels like a craftsman tool (not the china brand)
Crystal
2025-05-13 13:20:32
He is very happy with this product. Arrived as described and works perfectly.
CRICKER JR
2025-04-12 18:25:11
You can't go wrong with Starrett Instruments. I have been using Starrett measuring tools for many years and have yet to find a problem or calibration problem. You get what you pay for except Starrett tools are a better value because they last.
Patrick T Heppert
2025-03-20 10:26:57
It's a starrett. What more can you say. It is always worth it to spend the money, and get the quality that will last for generations.
David Danielson
2024-12-30 17:50:47
Nice instrument base
ken
2024-12-09 20:44:34
No way is the worth the price it’s a magnet for god sake. This is way China is cashing in on the US!
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