Universally Applicable Due To Interchangeable Inserts Such As Compass Attachment And Extension Bar. Radius Easily Adjusted And Stays Adjusted Due To Static Friction In The Compass Head
Length: 170 mm. Circles up to Ø 360 mm. Pivot: Ø 4.0 mm.
Package Contents: Compass, Lead Box, Extension Bar And Compass Attachment.
Simultaneous opening and closing of both legs. Highly resistant to accidental changes in radius.