Electric, Fiber Optics Cable Wide 20L / 16.0 cm, LEGO® Part# x400c20. Alternate part# 54682.

Appears in the following sets: #7703-1 (Fire Vulture), #7701-1 (Grand Titan), #4894-1 (Mythical Creatures), #7700-1 (Stealth Hunter), #7707-1 (Striking Venom), and #7702-1 (Thunder Fury). 

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