Duplo Toolo Arm 2 x 12 with Triangular Set Screw at Both Ends and in the Middle

Reference

6666c01

Duplo Toolo Arm 2 x 12 with Triangular Set Screw at Both Ends and in the Middle (part 6666c01) is a LEGO element. It appears in 6 sets, including Giant Airport and Giant First Tools for Technology.