I bought this single plier, Knipex 48 21 J11 5-1/4" Precision Circlip Pliers, Internal, 90° Angled, 15/32"-1" Bore Dia., from Circle C years ago simply for doing ratchets. They've fit all my 1/4, 3/8, and 1/2.
As with most people I started out with the replaceable tip and reversible snap...