Technic Pin Connector Block - Liftarm 1 x 3 x 5 with Cutout (Part 67139)

Build compact structural connections with the LEGO® Technic Pin Connector Block / Liftarm 1 x 3 x 5 with Cutout (Part 67139). This specialised Technic element combines a block-like frame with multiple pin holes and a central cutout, making it useful for reinforced structures, mounting points and mechanical assemblies that need extra clearance.

LEGO® Technic Connector Block 67139

Part 67139 is designed for multi-directional Technic construction, giving builders several connection points within a compact footprint. The cutout through the centre creates useful space around neighbouring components while the surrounding frame helps tie sections of a build together.

• Part number: 67139
• Part type: Technic pin connector block / liftarm
• Size: 1 x 3 x 5
• Design: Thick structural frame with central cutout
• Connections: Multiple Technic pin holes across different faces
• Useful for: Frames, mounting points, reinforced structures and custom Technic mechanisms

Explore more structural elements in our LEGO® Technic beams and liftarms collection.