Check the listing for details. Construct Pro Blank Keystone Snap-in (10 Pack, White). Color: White, Condition: New. Listed at 6.99 USD. Construct Pro Blank Insert Snap-in for Use with Keystone Wall Plates (10 Pack, White) Use the Construct Pro blank inserts to customize your in-rack or in-wall outlet installations. Easily install by simply snapping the blank insert into any empty hole not being used in faceplates with more than 1 gang. These Keystone inserts are colored in a beautiful white and constructed with strong UL Listed ABS plastic. Construct Pro is an elegant line of wall plates that will add style and personality to any room. Key Features Contains (10) blank inserts for use with Keystone wall platesWall plates sold separatelyEasy Installation: Simply snap into empty outlet holePerfect for custom A/V in-rack or in-wall installationsEngineered using strong UL Listed ABS plasticColor: White