Plastic Comb binding is one of the world�s favorite binding styles. For simple operation and versatility, GBC's 19DB is the one-step binder of choice. Its manual binding arm and small footprint make it easy-to-use for any binding environment. The GBC 19DB Manual Modular Plastic Comb Opener is designed for quick and easy plastic comb opening. The 19DB is designed to be used along with GBC's line of modular punches is lightweight, portable and simple to use.