Caliper
A caliper is also used as a measuring tool for measuring the distance between two or two opposing objects (such as inner and outer diameters, object thickness, etc.). The simplest caliper is rounded, with the outward or outward tip. The top of the caliper can be manually adjusted until the opposite sides of the desired measurement. So that after the caliper can be able to leave the measured object, and by measuring the distance from the top to indirectly get the object on both sides of the distance. Calipers are widely used in metalworking, carpentry, science, mechanical engineering and medical fields. ...