metal frame used for suspended ceiling system- main channel, furring channel ... partition system and suspended ceiling system , including drywall stud & track, metal frame for ceiling suspension, ceiling main & cross tee, wall angle ... , 76*33.5*35.5, 92*33.5*35.5, 150*33.5*35.5Track 51*32*32, 64*32*32 ... , 76*32*32, 92*32*32, 150*32*32 Length and thickness can be customized as customers ...