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. Product Features:Mini Stylefor Vise or Arbor Use0-600LB Range10LB IncrementsThis Tool Is An Affordable and Portable Way To Test Springs Accurately
