Lang Tools 75 Internal/External Quick Switch Retaining Ring Pliers A flip of the tab and the pliers change between internal and external applications Automatic ratchet lock feature keeps rings open or closed for easy installation and removal Comfort grip made of low-temp, high-impact material providing extra durability Includes 6 pairs of alloy steel, color-coded, interchangeable tips and hex key all stored in a handy pouch Internal: 1-13/16" thru 4"/External: 1-1/2" thru 4"