Comparison : Item # C6500-5000-48-5, Nylon 6 FDA Natural
Item # C6500-5000-48-6, Nylon 6 FDA Natural
Item # C6500-5000-48-12, Nylon 6 FDA Natural
Item # C6500-5000-48-24, Nylon 6 FDA Natural
Item # 6500-500048120, Nylon 6 FDA Natural