Comparison : Item # C6640-1250-48-24, Nylon 6 HS Blue
Item # 6640-125048120, Nylon 6 HS Blue
Item # C6640-1250-48-1.5, Nylon 6 HS Blue
Item # C6640-1250-48-2, Nylon 6 HS Blue
Item # C6640-1250-48-2.5, Nylon 6 HS Blue