Comparison : Item # C6500-6000-48-1, Nylon 6 FDA Natural
Item # C6500-6000-48-6, Nylon 6 FDA Natural
Item # C6500-6000-48-8, Nylon 6 FDA Natural
Item # C6500-6000-48-10, Nylon 6 FDA Natural
Item # C6500-6000-48-12, Nylon 6 FDA Natural