Locking ring pliers set for both external and internal lock rings. in EVA Locking ring pliers for both internal and external lock rings. Straight and 90° angled from 19 - 60 mm lock rings. fills 1/3 of the box Utv. Groove ring: 1 groove ring bar 19 - 60 mm External groove ring 90°: 1 groove ring bar 19 - 60 mm Internal groove ring Tracking ring: 1 pcs Tracking ring pliers 19 - 60 mm Internal tracking ring 90°: 1 pcs Tracking ring pliers 19 - 60 mm.