Use for flat cable, easy to assemble IDC Termination for standard ribbon cable. These connectors mate with any other standard DB-9 connectors; On PC's, DB-9 connectors are typically used for RS-232 serial ports. This breakout adapter is solderless. No soldering or crimping required.The wire board is printed with wire number which is convenient for quick wiring Risk Free Shopping Full refund is guaranteed if the item has any quality issue after receiving. Specification Row Number : 2 Pin/Position Number : 9 Fixing Hole Diameter : 2mm/0., 12 Fixing Hole Center Distance : 25mm/1 Package Content 10pcs x Crimp Connector Product Feature Features a cover for positive cable location, a strain relief and contacts which are recessed into to cover. uxcell IDC Wire Flat Ribbon Cable DB9 Female to FC-10 Female Connector 2.54mm Pitch 20cm Length DB9 Male IDC 9 Pin D-SUB Crimp Connector – RoboticsDNA We will do our endeavor to resolve your issues. Package Content - 10pcs x Crimp Connector This unit allows you to configure your own specific pinouts. DB9 Connector 1Pcs D-SUB DB9 9 Pin Female Connector To IDC Female 10 Pin Flat Cable L 30cm D-SUB DB9 Male Connectors It will cut down on signal loss and interference.