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Free STL file Lego Technic: Axle and Pin Connector Perpendicular Customizable・3D printable model to download・Cults
Technic, Axle 1L with Pin with Friction Ridges : Part 43093 | BrickLink
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LEGO® 11214 6209519 - ToyPro
LEGO part 11214 - Dark Bluish Gray Technic, Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle at BrickScout
Amazon.com: KonHaovF 116PCS Gear and Axle Set for Technic Parts Compatible with with Major Brand Technic Parts, DIY Gears Assortment Pack(Gears Pins Axles Differential New) for Technic Building Blocks Set : Toys