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Invented by Dave Thacker of Radical RC. The lightest weight and simplest connector lock ever made. Easy snap on and off, retains connector against vibration or accidental separation. Keeper is retained on female side of plug assembly and can't be easily lost in the grass or fuselage. Designed to slip through existing wing tubes and past snags. Only one is required, however, you can actually fit two on each connector assembly. Compatible with all brands of servo connectors. Colors will vary: red, black, grey, yellow, light purple, green, blue, etc. Mixed bag. Patent Pending. Order 6 Pack - All Keepers Here
 "Dave's InnerLock Connector Keeper, 6PK")