16955 Berkley Rib - 1” deep, 2” on center Vac-U-Form™Styrene - Single use.ABS Plastic - Up to 15 reuses. Max Depth: 1.000"On Center: 2.0"Peak: 1.0"Valley: 0.50"Draft: 0.25" Part Size: 48"W. x 120"L. Click here for cut-sheet