20 Ga./33 mil. Heavy Gauge Steel Stud, 3-5/8" x 9' (1-1/4 in. Flange) Lightweight steel studs are an easy to install, non-combustible, high quality alternative to traditional 2x4 wood stud framing. Benefits: Environmentally friendly. Won't shrink, swell, split or warp (which reduce fastener pops). Manufactured with pre-drilled holes for electrical and plumbing. Easy to cut with tin snips. No sawdust for easy clean-up. Termites/Rodents won't interfere with structural integrity. Steel Framing Studs are a fixture in commercial properties and are gaining popularity in residential applications.