* Copper or Silver Coating

* Magnetic Base Diameter: 40mm

* Prism Accuracy 3-4"

BP002 Magnetic Ball Base is an efficient surveying tool designed for surveying and positioning.

Magnetic base: BP002 Magnetic Ball Base is easily and quickly fixed on metal surfaces or survey stakes, supporting fast setup and adjustment.

Spherical design: BP002 Magnetic Ball Base provides a wide field of view, ensuring accurate and effective signal reflection with the total station.

Durability: BP002 Magnetic Ball Base is made of sturdy materials and can withstand the challenges of various outdoor environments.

BP002A: Prism OD17.8mm, Ball OD 30.0mm

BP002B: Prism OD 25.4mm, Ball OD38.1mm

BP002C: Prism OD 25.4mm, Ball OD45.0mm

Ball Prism with Magnetic Base Parameter specification table：