Helix Quick Release Precision Technical Compass

Helix Quick Release Precision Compass is an ideal compass for students and designers. This compass features a quick-release for fast adjustment and a geared head for centering.

The compass itself has a length of 160mm and a maximum radius of 14.9cm.

This set also includes 2mm replacement leads and additional screws and nuts.

The Helix Quick Release Precision Compasses enhanced accuracy and precision comes from the rotating thumbwheel with fine thread for pin point movement. This compass comes with 2mm spare leads in a hard case.