This invention relates to a tip protector for an instrument such as an endoscope or borescope. The tip protector device comprises an elongate tubular guard portion 32； a cap 18 to cover the end face of the instrument； first and second connection members 14, 16 extending from the tubular portion which are movable relative to each other between a first disengaged position and a second gripping position； and complementary engagement features 110 on the first and second connection members to releasably clip the connection members in the gripping position. The guard may comprise two halves 46, 46 each having longitudinal and annular ribs 38, 40. These may be latched together with connection latches 54, and may be connected to the cap by live hinges or flexible connections 52. Engaging the toothed engagement features causes collar 72 to engage the instrument shaft.
