I recently had a job where the tupical magnetic base was not going to do the job because the Transmission Housing was Aluminum. Also my old C clamp type dial indicator clamp has been missing for like 15 years (harbor freight does not sell them).

The set comes with an US type dial indicator and a vice grips that has an attacment on it to screw in (3 positions) a flexiable arm (allowing you a lot of freedom to position the arm) that becomes ridgend enough to use the indicator after you lock it.

The arm nas a collar that you screw to decrease or increase the tension on the arm to keep it ridgid.

The price without a coupon was around $33 which you can view at the Harbor Freight website.
Using a 20% off coupon and with the sales tax it was $28 something.

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84 300D, 82 Volvo 244Gl Diesel