9PC metal number punch: 1 Metal number punch 2 Precision punch machining 3 Various materials 4 OEM available Certification (ISO9001:2008) OEM Service Offered1. Material: carbon, alloy, stainless steel, aluminum sheet, phosphor copper, brass, iron, rubber, plastic, etc or according to drawings and samples.2. Size: different sizes, according to customer's drawings.3. Packing: carton, wooden case, ...