Comparison : Item # M11F0005, Nylon Insert Locknuts, Class 8, Metric Fine, Zinc Plated Steel
Item # M11F0010, Nylon Insert Locknuts, Class 8, Metric Fine, Zinc Plated Steel
Item # M11F0015, Nylon Insert Locknuts, Class 8, Metric Fine, Zinc Plated Steel
Item # M11F0020, Nylon Insert Locknuts, Class 8, Metric Fine, Zinc Plated Steel