Monoprice Cat5e Inline Coupler Type Keystone Jack, White (107302) Save when you buy the 2-Pack! Allow you to use RJ45 terminated cables in the front and the back You can use pre-terminated fix length cables as well eliminating the need for crimping Fits all standard keystone wall plates and panels Allow you to use RJ45 terminated cables in the front and the back You can use pre-terminated fix length cables as well eliminating the need for crimping Fits all standard keystone wall plates and panels