Amazon.com: LEGO Technic 4 pcs NEW YELLOW MINI PNEUMATIC PISTON CYLINDERS Air pressure Pump pack lot set switch hose small little robot robotics : Toys & Games
LEGO PART 41531 Technic Cylinder 4 x 4 with Pin Holes and Centre Bar, Closed Sides on Bar | Rebrickable - Build with LEGO
LEGO Technic Cylinder with Center Bar (41531 / 77086) | Kingstown Bricks
LEGO part 2850b - Green Technic Engine Cylinder without Side Slots at BrickScout
Amazon.com: LEGO Technic 4 pcs NEW YELLOW MINI PNEUMATIC PISTON CYLINDERS Air pressure Pump pack lot set switch hose small little robot robotics : Toys & Games
10 NEW LEGO Technic Engine Cylinder with Bottom Slots Light Bluish Gray | eBay
LEGO Technic Cylinder with Center Bar with dark red and white rectangles Sticker (41531) | Brick Owl - LEGO Marketplace
Amazon.com: Habow 19Pcs Pneumatic-Technic-Parts Kit Compatible with Lego-Pneumatic Cylinders-Air-Pump Pressure Rod Switch Piston Hose Technic Linear Actuator MOC-Replacement-Parts. : Industrial & Scientific