Precisely-sized for properly installing clips. Six circlip pliers in a foam tray. 
Includes:
48 11 J1 Precision Internal Circlip Pliers
48 11 J2 Precision Internal Circlip Pliers
48 21 J21 Precision Internal Circlip Pliers
49 11 A1 Precision External Circlip Pliers
49 11 A2 Precision External Circlip Pliers
49 21 A21 Precision External Circlip Pliers