3 Feet Extension Arm for Pipe Mic II TS22216 which are all sold separately

which are all sold separately

75 inches on sides

the 40-6715 laser detector provides up to 30 hours of battery life using one 9V battery

12" 2 x 2 Wooden hubs 25 per bundle

and other professionals

3 Feet Extension Arm for Pipe Mic II TS22216 which are all sold separatelyThe ChrisNik 3 Foot Extension Arm 1736ARM connects to the Pipe Mic II and provides construction and surveying professionals with an additional 3 feet for measuring pipe inverts or pipe diameters. This extension arm is especially helpful for projects involving larger diameter manholes. It is used with grade rods that have graduations in feet, tenths, and hundredths of a foot. How It Works After removing the 2 foot arm, the 3 foot extension arm snaps