Kit of 45 Linear PCB Mount Right Angle Potentiometers 15mm 1K-1Mohm (5 each), with 20 black color knobs with blue indicator line.
Values (5 each): 1K, 2K, 5K, 10K, 20K, 50K, 100K, 250K, 500K, 1MEG.
Comes with 20 black plastic knobs with blue indicator line, nuts and washers, packaged in a reusable plastic enclosure.