Permanent Pin Marking of Part and Tags. Patmark Portable Battery-Operated Markers with peer-to-peer Wi-Fi connect to Input/Edit Marking parameters. Mark Flat Material, Round Pipe/Tubes. Force and Speed Settings are user programmable. Excellent for marking small characters and multiple lines. QR code and 2d Data matrix conversions from Text are easy to use in the DUO Software which is Included along with Carry Case and Battery Charger.