Printed Clevis Pin 38 mm

Printed clevis pin, 38 mm shaft. You might have to scale it a couple percent to make it fit tightly. They are sized to work with the SALz HPA Nerf Blaster. They are not properly tested, but they do fit and hold up to the handling I have done at home. 

I used SillyButt's printed cotter pins found in his SLAB files to secure it, as seen in the picture.