Monoprice Keystone Jack - 3.5mm Stereo, Flush Type (White) (2 Pack) Save when you buy the 2-Pack! 3.5mm Stereo Keystone Jack- Coupler type (female connectors on the front and back) For use with Keystone panels or wall plates Monoprice continually strives to improve its product line to bring our customers the best products available Therefore changes may be made to listed specifications without prior notice