Comparison : Item # 22046646028, Female Connector 6 mm x 1/8"
Item # 22046646048, Female Connector 6 mm x 1/4"
Item # 22046648028, Female Connector 8 mm x 1/8"
Item # 22046648048, Female Connector 8 mm x 1/4"
Item # 22046648548, Female Connector 14 mm x 8 mm