Case Opener Adjustable for Screw-Backs

5-in-1 tool opens waterproof watches with different type notches . . . without changing pins.

Adjust width between pins easily by turning the knurled threaded ring. Fits case diameters up to 50mm. Simply rotate the tool to select from five different shaped pins to fit notches of a variety of screw-back cases. Comfortable ball handles help you get firm, controlled pressure on case backs. 8-1/4" long.