Faithfull Jenny Caliper 150mm

The Faithfull Jenny Caliper is a fixed-joint marking tool with a 150mm (6in) range. It is designed to locate the centre of round or square steel sections.

Its offset design places the adjustable point leg opposite a straight leg containing a locating lug. The tool is also known as a hermaphrodite caliper and can be used to mark centre points on cylindrical bars, round stock and square sections, including when preparing stock for drilling or machining.