Rigrule Products
Rigrule®: The Oil Field Measuring Tool
Using inch fractions for accurate measurements is critical in the oil and gas industry and having a tool in your tally book that quickly and easily provides you with information is key.
This is where Rigrule® can help. The specially designed ruler clearly shows inch fractions for use with O.D and I.D calipers. Industry standard formulas and conversions are etched onto the back for an instant reference guide.
Rigrule® is easy to use and is 100% accurate.