14347 Fluted Rib - 0.5" Deep, 1.5" on Center Vac-U-Form™Styrene - Single use.ABS Plastic - Up to 15 reuses. Max Depth: 0.500"On Center: 1.5"Peak: 0.75"Valley: 0.75"Notes: See patterns 14342 for .25" deep and pattern 17943 for .75" deep Part Size: 48.0"W. x 120"L. Click here for cut-sheet