uxcell 150mm 6-inch Inside Outside Caliper Stainless Steel Firm Friction Joint Measuring Tool 1 Pair

The product is a set of heavy-duty calipers designed for making measurements on diameters greater than 2-1/2". One customer noted how the materials were of good quality and delivered promptly. Another customer complained that the hinge point gets loose and had to fix it with a hammer, but found the calipers priced right. Another customer who uses them for sculpture class noted they are strong and firm, with no added fuss and great value. However, some customers expressed disappointment that the product was stiff to adjust, lacked a wing nut, and came covered in oil that had to be cleaned with solvent.