Features:The set includes 10 pcs 30 stitches punch paper and 10 pcs grid paper.Suitable for all kinds of 30 stitches punched knitting machines.The paper are made of nylon of high quality and convenient use.Used for fine specification (3.6 mm) punched card knitting machine.The set is an excellent tool to help you with your stitching work.Specification:Material:NylonFit for:SK-270 SK-272 SK-370 SK830. Package List:10 x 30-Stitches Punch Card10 x Grid PaperPackage List1The set includes 10 pcs 30 stitches punch paper and 10 pcs grid paper. 2Suitable for all kinds of 30 stitches punched knitting machines. 3Used for fine specification (3.6 mm) punched card knitting machine. 4The set is an excellent tool to help you with your stitching work. 5The paper are made of nylon of high quality and convenient use.