1 half pin with 2L bar Regular (light grey); no friction variant available. This pin combines a regular half
pin with a 2L shaft, which is of the same thickness as a
regular LEGO antenna or bar. As shown in Figure 2-10,
2 LEGO antenna or bar can fit in the hand of a LEGO
minifigure or into the hollow stud on a Technic brick.
3 long pin with pin hole Regular (light grey, black, or
red); no friction variant available.
w long pin with stop bush Regular variant not
available; friction variant exists in a variety of colors.
This pin can be used like a regular 2L friction pin, but its
bush allows it to be pulled out easily. It is often used in
Technic sets to make structural connections that can be
removed with ease.
4 pin with towball Friction variant (black). This pin
usually serves as a mounting point for LEGO links, as
shown in Figure 2-11.
5 axle pin with towball This is a variant of a regular
pin with a towball; available in light grey.