The DSL is an adjustable bubble protractor used with a number of contour tools: #4, #6, #7, #8, #20 & #33. The protractor covers 180 deg through two 90 deg quadrants, reading in 2.5 deg increments. The bubble is cast in the aluminum dial
Kimberly Clark® Curv-O-Mark® 14797 Dial And Level Combination Repair Kit
