Sumner Magnetic Base Electronic Protractor & Centering Punch

• Center head with magnetic aluminum base can be used on the circumference of pipe or tanks
• Digital gage provides highly visible, accurate reading when establishing a center line
• Built in spring loaded hardened striking pin marks location with the push of a button
• Detachable digital gage comes with a magnetic base for additional leveling applications
• Plus, digital gage doubles as an angle finder and can be zeroed out during fabrication