• OD 9mm Solid Steel Pin Poles, Graduated in cm
• Centimeter Grooves Ensure the Ball-detent in the Prism Assembly will Automatically Center
• Equipped with a Replaceable Stainless Steel Point
• Prism Assembly Consists of Seven OD12.7mm Silver-coated Prisms
• Prism Offset: +2mm
• Adjustable Circular Vial 40'
