With round beam of steel tube, good quality, with guide groove and changeable steel tips..
Diameter of tips up to 2000 mm - 6 mm
Diameter of tips 3000 mm - 8 mm
Typ 830
without graduation
Typ 831
mm graduation
Typ 768
mm graduation and fine adjustment
Length
- 500mm
- 1000mm
- 1500mm
- 2000mm
- 3000mm