Metra 99-4012 Installation Multi-Kit with Extensions for Select 1982-up GM/Chevrolet Vehicles (Black) Comes complete with three ABS plastic faceplates: flat 1/2 inch and 1 inch extension which snap onto the metal basket Extensions permit screwing the faceplate onto the basket from rear Made in USA Comes complete with three ABS plastic faceplates: flat, 1/2", and 1" extension which snap onto the metal basket Extensions permit screwing the faceplate onto the basket from rear, resulting in the best pullout application on the market Easy conversion from 2-shaft to DIN/pullout Designed to use original equipment factory brackets right off the Delco radio, or use the 02-4544 bracket kit (Requires the use of Metra 99-4000)