Comparison : Item # 6640-2500, 2.500" PA6 HS Blue Plate / Bar Stock
Item # C6640-2500-48-24, Nylon 6 HS Blue
Item # 6640-250048120, Nylon 6 HS Blue
Item # C6640-2500-48-2.5, Nylon 6 HS Blue
Item # C6640-2500-48-3, Nylon 6 HS Blue