Item Name: Sculpture Measure Diameter Pottery Caliper Ceramic Tool Clay Measuring Tool. Size: as showColor:as showMaterial: plastic100% brand new and high quality!Type: Measuring CaliperDescription: The outer caliper is a tool for measuring length, and the inner card is used to measure the inner diameter or groove width of a cylindrical hole. The plastic inner card has a double head, suitable for the size measurement of larger works.Package Included: 1 Pcs Measuring CaliperNotice:1. Please allow 2-3% error due to manual measurement.Please make sure you do not mind before you