- A STOP system with an exclusive Maped patent.  Push arm to move and release it to lock the legs in place
- Ergonomic design

An innovative and updated compass set perfect for back to school! The Stop System Innovation features auto-locking compass legs. Simply depress the arm and move the legs to their required position and then release it to lock them in place for repeatable and easy measuring and drawing. Integrated folding lead and point cover for safety.