1 diameter knurled knob for 1 4x20 nuts and bolts —

Founded 1 diameter knurled knob for 1 4x20 nuts and bolts models & stl files for printing
Nut and Bolt
Xavier Marquet
embroidery ring
sebadria
Love Nut and Bolt
Inventorsquare
M15 Nut and Bolt
Freddy Dev