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.