13 Pc Watch Back Press Set - 12 Nylon Dies/Spacers - TJ-89601This watch case press is a favorite among jewelers and watch repair professionals. Thy nylon dies are particularly effective in not causing scratches on watch case surfaces. This watch press case set features 12 nylon dies, a weighted bottom for balance, and a spring loaded press lever. Includes 12 nylon dies nylon dies are effective in preventing scratches Weighted base provides balance to the tool as you use it Textured, spring loaded handle should