U-Channel U- Channels are used for bridging and blocking and are customized for cabinet backing. C-Channel C-Channels are U shaped Channels or Studs with inward flanges used for bridging and blocking and are used for cabinet backing Z-Channel Z shaped Channel used as framing, Supports, reinforcements, slides, tracks and many other purposes. Furring Channel Hat shaped channels which are fastened to the joists, studs, wall or ceiling of a building do that the finish surface may be leveled. Tracks Tracks are light gauge U-shaped metal members which are attached along floors , ceilings and walls as a brace for metal studs. Angles, Angle Iron and V-shapes Metal Angles and V-shapes are the most basic form of roll Formed profiles.