LEGO Dark Gray Technic Beam 4 x 0.5 Beam with Click Rotation Hinge Half (41679)

LEGO Dark Gray Technic Beam 4 x 0.5 Beam with Click Rotation Hinge Half has been used in at least 5 LEGO sets over the past 22 years, since it was first used in 2002. You can also find this part in at least 5 other colors. It has a design ID of 41679 which can usually be found molded into the bottom of the part.

• Hinge Half Socket
• Liftarm