GPR1 Single Circular Prism 4022000 The 12-inch measuring wheel is

The 12-inch measuring wheel is designed to smoothly glide over any kind of surfaces and easily turn with little effort

Always-On LED Lighting - For enhanced visibility in bit area

Pro-Shot (Laser Reference) R-6

It is covered with a 3-year warranty

It has a rectangular shape to ensure convenient handling and flush alignment on flat surfaces

GPR1 Single Circular Prism 4022000 The 12-inch measuring wheel isListing Archived on June 5, 2025. The Leica GPR1 Single Circular Prism is a precision round prism that easily snaps on to prism poles. It features a centering accuracy of 2. 0 millimeters with zero millimeter offset. The GPR1 is manufactured from high quality optical glass for increased range and accuracy. This Leica round prism's surface is coated with anti reflection copper which also improves reflectivity and prevents adverse dirt or condensation.