Package 5/6/10/15 pcs in one set, pack according to your choice (please choose in color select) 4 Set for choice: 4 Set for choice: Set A(6 Pcs)1mm+1.5mm+2mm+3mm+4mm+5mm Set B (10 Pcs)0.5mm+1mm+1.5mm+2mm+2.5mm+3mm+3.5mm+4mm+4.5mm+5mm Set C(15 Pcs)0.5mm+0.8mm+1mm+1.5mm+2mm+2.5mm+3mm+3.5mm+4mm+5mm+6mm+7mm+8mm+9mm+10mm Set D (5 Pcs): 6mm+8mm+10mm+12mm+15mm Specifications Name: Basic Round Hole Punch Material: Carbon steel Manufacturing process: laser drilling, high temperature quenching Purpose: leather (Tool Bags Belt/strap)/cloth/plastic/paper punching Size:5/6/10/15 pcs in one set , pls choose the size you want. Features ----This basic round hollow punch cutter come with carbon steel material, with high temperature treatment process. features in high hardness, sharpness, good tempering round cutting edges. ----Wide groove design,help to discharge.Smooth punching without blockage, continuous punching without obstacle. ----Those sets are made up of the most commonly used sizes. They can be used for sewing holes,the installation of general rivets, buttons and screws. easy to penetrate leather/rubber/paper/card/canvas /scrapbooking paper and so on. ----Suitable for DIY handbags, flexible plastics, clothing, vinyl, cardboard, webbing, jackets or poster boards, etc. highly recommended for you. ----Recommended for falconry , hobbies ,crafts , mong , home repair etc. ----It is sharp; Keep out of childrens reach. Please Note 1.We have various types of round punches, and the quality is different. This is our basic round punch, the price is cheap, suitable for beginners and industrial intensive punching. In order to control costs, the groove are not polished, so the groove is relatively rough,but we ensure that it can work well for your craft work. Of course, If your requirements are higher, it is recommended to update to SPC brand punch or WUTA titanium plated black round punch.thanks for understand. 2.There are some anti-rust oil on the hole punch, As the carbon steel, please know that there may be some small flaws,like rust,cut marksas the picture shows, but it doesnt affect the use. Put in a dry place, avoid damp, wipe clean with a dry cloth after use. You can rub rust oil, then put out of the reach of children.