Kirsch Superfine Traverse 100"-180" Two-Way Draw and Plain Rod The Standard of the Industry. Often imitated, never equaled Patented design with heavy guage steel and baked enamel finish Teflon lubricant for smooth traversing Center opening traverse on front, plain curtain rod on back Clearance 3/4"-1 3/4", Return 4 1/2"-5 1/2"