Comparison : Item # 6640-6000, 6.00" PA6 HS Blue Plate / Bar Stock
Item # 6640-60002448, Nylon 6 HS Blue
Item # C6640-6000-48-6, Nylon 6 HS Blue
Item # C6640-6000-48-8, Nylon 6 HS Blue
Item # C6640-6000-48-12, Nylon 6 HS Blue