Comparison : Item # TLNKM-03, M17 x 1 mm Face Lock Style, Metric Bearing Locknut
Item # TLNKM-04, M20 x 1 mm Face Lock Style, Metric Bearing Locknut
Item # TLNKM -05-1, M25 x 1 mm Face Lock Style, Metric Bearing Locknut
Item # TLNKM-05, M25 x 1.5 mm Face Lock Style, Metric Bearing Locknut
Item # TLNKM-06, M30 x 1.5 mm Face Lock Style, Metric Bearing Locknut