Thread Drive Beam M4x40 (пара)

Description:

M4 Thread Drive Beam is designed to mate with M4 thread rod to transmit motion from a motor to the beam. With other 4mm through holes, you can easily mount it to other makeblock components.

Features: 

• Made from 6061 aluminum extrusion, high precision and strength
• Compatible with Makeblock components
• Sold in pair