Heli Addict (heliaddict.com)

MH-021AL - MH-4021AL Light Metal Linkage Ball 3.85mm (5)

Light Metal Linkage Ball 3.Description: These Precision Metal Balls 3.85mm are made from hard Aircraft Aluminum. It's designed very light and machined very tight tolerance +/-0.005mm to provide super smooth and precision controls. It's made to replace for all plastic balls on Hornet helicopters. Hardware: Allen key included Weight: N/A Usage: Hornet FP, CP Hornet II or Others. Features: Hard Aircraft Aluminum machined High precision balls within tolerance +/-0.005mm Ball diameter: 3.85mm, Thread: 0-80 (OD=1.50mm), Thread Length: 1.70mm 85mm (5)

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