... part: 1 Metal leather punch 2 Precision punch machining 3 Various materials 4 Your drawings welcome Certification ... iron, rubber, plastic, etc or according to drawings and samples.2. Thickness: as your drawings’ requirements.3. Precision machining: stamping ... drawings or samples. Thank you! 9PC cylindrical hollow punch set, Leather working, Punch and die, Metal punch, Machinery parts, Machining parts