3PCS 228mm spring compass for measurement

High Quality - Made of high quality carbon steel, this caliper set is durable and stable for a long time of use.

Function - The outside caliper is used to measure round stock or oddly shaped materials and transfer the measurement to the ruler. The inner caliper is used for the inner diameter. The flat leg divider has the function of measuring uneven surfaces and drawing circles.

High Accuracy - With arc springs and pivot coils, it can ensure the accuracy of measurement and close the gap.

Package - Our package incl. one outer stirrup piece, one inner stirrup piece and one flat leg divider.