Features 【HIGH QUALITY】100% brand new and high quality. Made of high quality stainless steel, solid ,anti-rust and durable. 【PRACTICAL FUNCTION】The outer caliper is used to measure the outer diameter of the cylinder or the length of the object. 【APPLICABLE OCCASIONS】The caliper is a tool for measuring the length, which is divided into a tableless caliper and a table caliper. The inner caliper is used to measure the inner diameter or groove width of the cylindrical hole. 【HOW TO USE IT】The method of use is a steel ruler size method and a caliper measurement method. The outer caliper is used to measure the outer diameter of the cylinder or the length of the object. The inner caliper is used to measure the inner diameter or groove width of the cylindrical hole. 【SERVICE 】: If you encounter any problems during use, please let us know. We will contact you quickly. It is our pleasure to help you. Specification: Condition: 100% Brand New Product Name: Caliper Material: Stainless steel Caliper size: about 150mm (6 inch) Usage: measurement Package list: 2 * Calipers Package List