Masterson Paint Saver Keys (Tube Wringer Keys) help artists remove every ounce of paint from the tube without it crimping or cracking. They pay for themselves with the first use.

The set includes 24 Paint Saver Keys in 3 assorted sizes:

5 Large (3-1/8″ long, 2-5/16″ opening)
5 Medium (2-13/16″ long, 2-1/8″ opening)
14 Small (2-9/16″ long, 1-13/16″ opening)

All keys are 1-1/8″ wide at the top and 6/16″ wide at the bottom.