Pin - without friction - #3673

The part number matched my build kit exactly, so it clicked right into place without needing any extra force. The friction-free fit makes swapping configurations quick and easy.

Ordered these pins as spares after losing one from my kit, and they fit exactly like the original. The friction-free fit is spot on, so my motor assembly spins without any binding.

Snapped right into my robot build with zero wobble — the fit is tight and it spins freely, no friction at all. Exactly the replacement I needed for part #3673.