LEGO PART 71076 Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) | Rebrickable - Build with LEGO
LEGO PART 25214 Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end | Rebrickable - Build with LEGO