Proform 0 - 600lbs Valve Spring Tester with Micrometer Combo

With this all-in-one tool, you'll no longer need to using a ruler to measure spring height. Simple set the spring height with the highly refined measurement micrometer tube (0.01in increments), put it in the vise and start testing. Max spring diameter is 1.7in.

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  Backed by a full 30 day limited factory warranty.
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  No longer need to use an inaccurate ruler for measuring
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  Large, easy to read gauge.
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  Refined micrometer measures spring height in 0.01" increments.
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  Max spring diameter is 1.700"