Thank you, Josh, your answer is the information sought regarding caliper use. The "touch" is in process of being learned with less than optimal equipment. My concern was if the low end calipers were defective, I believe that they're just not quality built. Almost bought an iGaging IP54, but glad that I held off for right now and put the money toward the purchase of a WFT to upgrade my trimming process instead. The new caliper is now in next month's budget.