The Euro Case Press offers the best inexpensive case closer available. Features include: Exclusive straightwall nylon dies will not scratch or mar crystals. Cast metal press to ensure strength. Assortment of fourteen dies (seven hollow and seven flat) to allow for all size watch es. (Please note: 18mm hollow die uses the 16mm flat die when closing small watch cases.) Snap-on system allows dies to snap on and off quickly. Face-down configuration means the repair person sees the case back being closed. Complete instructions included.