Gypsemna’s HEAD DEFLECTION J TRACK section provides a friction for the CH and E stud, which notonly holds the CH studs in position until the lining board is fitted, but also helps in aligning theboards. Components for Shaftwall CH, E stud and J track products are cold roll-formed from hotdipped galvanized steel (corrosion resistant) and are available in a variety of sizes and thicknesses.