GBC ProClick Classroom Binding Kit, Includes 1 ProClick Punch, 24 Pre-Punched Translucent Covers, 12 1/2"-Capacity Spines, 6 Binding Tools (2515655) ProClick classroom binding kit includes one ProClick punch, 24 prepunched translucent blue gel covers, 12 navy blue 1/2"-capacity spines, six binding tools and instructions. Class projects get a polished look with this all-in-one kit. Includes a ProClick punch, a compact and portable desktop paper punch that punches up to six sheets, plus 24 prepunched translucent blue gel covers, 12 navy blue 1/2"-capacity spines, six binding tools and instructions.