Baluster compass with quick release and extension

GRAPHOPLEX is a range of high quality precision measuring instruments.

The GRAPHOPLEX professional compasses with their all-metal body combine simplicity, reliability

high precision and extreme resistance.

The large GX501 GRAPHOPLEX reference baluster, with its all-metal body, has a quick opening with buttons and fine adjustment by means of a micrometer screw. It has two knee-pads and an interchangeable dry point, and comes with an adapter and an extension for drawing circles up to 600 mm in diameter. A must for any technical or scientific student.