Msg Mecha Supply 18 Joint Set Type D Model Kit Accessory (Ne

From Kotobukiya. You'll find lots of uses for these simple and convenient 3mm-diameter joints! The universal-type joints can be posed in a twisting fashion, and the link-type joints can be combined with the simple-type joint for endless expansion. All joints have a unified shaft and hole of 3mm diameter, so they can be used in any combination you can come up with. Molded in dark gray plastic.