I have a pair of CNC Aluminum Gantry Arms (Left and Right) – These are a pair (1pc. left and 1pc right arm) of machined and pre-drilled aluminum arms that include 20mm bearings (3 on each arm). The arms are machined from 1/2″ aluminum and stand 18″ high, 8″ wide. The arms include a total of 6pcs. of 20mm bearings and 2 lead screw bearing blocks. The arms are predrilled to accept a our NEMA23 motor mounts. The set sells for $299 (not including shipping).

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