I am looking heavy duty spiral binding machine qty=2 Technical specification: Punching / binding style: : manual Maximum paper width: : 315 mm Standard features: Multi functioncombines both comb and 21 loop wire Dinding Punches a5 and a4 size documents Simultaneous punch and BIND facility for faster document finishing Punching capacity: min 20 paper per punch Binding capacity: min 500 sheets paper with plasticcombs, and 125 sheets paper with wire Portable and easy to store Standard consumable items Equipment safety cover Certificate of availability of spares for 10-15 years Spares list with itemized cost and consumable life All accessories Manuals Warranty 18 months Demo Please let me know as soon as you can fullfill these requirement