Sema

Automatic spindle movement • patented locking mechanism • plastic covers with a structured surface • interchangeable lead and needle inserts on both legs • 170mm length allows for drawing circles up to 360mm In diameter.

170mm Precision masterbow compass and extension bar in a plastic case • Includes a spare lead.

170mm Precision quick set bow compass • Includes a spare lead • Comes complete in a hard case.

7 piece compass set containing: compass, divider, eraser, clutch pencil, sharpener, spare lead for compass and pencil • Comes in a plastic case.

6 leads per tube.