OTC Tools OTC 7412K 12 Piece Retaining Ring Pliers Set. Choose from a variety of new retaining ring plier sizes for automotive and light and heavy-duty truck applications. This set includes twelve of our most popular retaining ring pliers in one package. Set comes packaged in a sturdy plastic organizer box. Set includes: .038", .047", .070" and 0.90" straight 0 degree tip pliers; .038", .047", .070" and 0.90" 45-degree tip pliers; .038", .047", .070" and .090" 90-degree tip pliers.