Technic Beam 3 × 0.5 Liftarm with Boss and Blocked, Squared Pin Hole

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Related parts

• Other mould Technic Beam 3 × 0.5 Liftarm with Boss and Pin / Crank 33299a
• Other mould Technic Beam 3 × 0.5 Liftarm with Boss and Pin Semi-Reduced 33299b