Lang Tools 1485 Heavy Duty Internal Retaining Ring Pliers

Amazon

Spring Ratchet locking mechanism securely holds against snap ring tension Ring Sizes: 3-1/16" - 6-1/4" (78mm - 159mm) Overall length of pliers with tips is 16" Tip size, Straight .120" Made in the USA

Radwell UK

3-1/16 TO 6-1/4" RING, INTERNAL RETAINING RING PLIERS 3-1/16" MIN RING SIZE X 6-1/4" MAX RING SIZE