This KNIPEX Precision Circlip Pliers Set includes four of their top-performing modelstwo internal and two external, in both 5-1/2″ and 7-1/4″ sizesneatly organized in a durable plastic tray for easy storage. Designed for heavy-duty, continuous use, each tool features inserted straight tips made from spring steel wire for exceptional grip and longevity. With a zero-backlash bolted joint and a secure hold on circlips, these pliers offer the precision, control, and durability professionals rely on.