Thickness Calipers

These thickness calipers can be can be fitted into virtually any shapeof vase or bowl. To use, open the caliper by pulling the legs apart (having the spacing nut between the legs allows this), put in position and then set the spacing nut to the wall thickness. Open callipers, remove and measure the gap. The spacing nut can be adjusted from 0 - 350mm on the 420mm model and 0 - 140mm on the 220mm tool.