This is a pair of Midwest .034 x .121" x 40" Carbon Fiber Strips.Product Features Ideal for stiffening R/C vehicle chassis, strengthening hinge points on foam park flyers or strengthening structures built for science or engineering projects 40% lighter than aluminumProduct Specifications Length: 40" (1016mm) Width: .121" (3.1m) Thickness: .034" (.9mm) Weight: 0.0036oz (.101g) per inch