Sanwa Denshi SR Connector accessory

Featured here are the plastic coverings for the .187 (4.8mm) and .110 (2.8mm) AT metal connectors. These are official catalogue items, supplied by Sanwa Denshi.

These covers can protect electrical terminals from nearby wiring in tight spaces and are also used to assist DIY builders to clean up the appearance of their wiring.  

Sold individually.

Also available are the limited flat white version of the .110 connector made by the same manufacturer: 

Shinagawa Shoko OS-110 connector – Close Quarters Battle Arcade