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Old 01-21-2001, 05:03 PM
Registered User
Join Date: May 2000
Location: Scotts Valley, CA.
Posts: 145
I have an old Proto torque wrench - 1/2 inch drive, 250 max; handle
is around 20-24 inches long. I made a mistake years ago and used it as a
breaker bar when removing a rear axle nut from a '74 Karmann Ghia coupe and
broke off one of the ratchet teeth (inside of the cover).
I'd like to find where to have this fixed and to have the wrench calibrated
at the same time. Can anyone give me an address or phone number or URL to
have this repaired and calibrated. Thanks in advance...
Jay Yambrovich
Scotts Valley, CA.

1993 300 CE Cabriolet (A124) 131K miles
1997 C-280 133K miles

2000 BMW R1100RT 69K miles
1989 300 E 216K miles (sold)
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Old 01-21-2001, 05:38 PM
Aaron's Avatar
Join Date: Aug 1999
Location: Cincinnati, Ohio
Posts: 1,935


If I were you I would just get a new one. I personally think Stahlwille makes the world's best torque wrenches. They will also calibrate it for you for free. You don't want to mess around with a torque wrench that's been damaged like yours was. Torque is an important value to have correct! Go to and see what they offer.
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Old 01-21-2001, 06:06 PM
Registered User
Join Date: Feb 2000
Location: Rancho PV, CA, USA
Posts: 328
I have an old Proto (40+ years), that is in good shape but would like to have it calibrated. If you find any scource, please let me know. I live in the Los Angeles area. Ed
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Old 01-21-2001, 08:39 PM
Join Date: Jan 2000
Location: Maryland. USA
Posts: 180
Take a look at these:

For cal and repair Protos and many others about $17.50 about $20.00
Certified (paper certificate) is extra as is cleaning, repair, etc.

Try your local airport maintenance facility. they can usually give you a lead on a calibration service. They are suppose to have theirs certified (paper cert) every year.

For the really up tight:

Good luck.
S, J.R. Brown
2000 G500 LWB Obsedian Black
2005 Toyota Tacoma Access Cab Off Road Sport
1993 Volvo 240 Sedan Anthracite
1980 450SEL Champange (owned it for 15 years. Great car)
1986 280GE LWB Anthracite (Sold it and kinda wish I hadn't)
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Old 01-22-2001, 12:23 PM
Registered User
Join Date: Feb 2000
Location: Rancho PV, CA, USA
Posts: 328
Thank you JR for the refernces. Ed
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