ITEM NAME:DB9 D-SUB 9 Pin Male Adapter RS232 to Terminal Connector Signal Module Gree I9B2 DB9 D-SUB 9 Pin Male Adapter RS232 to Terminal Connector Signal Module Gree I9B2 DB9 male adapter, RS232 Serial DB9 9 pin to 9 Position Screw Terminal Block Connector. The signal line was all lead out, name and number clearly labeled. 12-24AWG wire range, 5.08mm pitch, 2.5mm screw diameter, you need use the 2.5mm width slot screwdriver. All-copper DB9 Socket, anti-oxidation, contact better. The adapter used for communication debug. Product Name : DB9 Adapter Terminal Wire Range : 12-24AWG Total Size : 45 x 31 x 18mm / 1.8" x 1.2" x 0.71"(L*W*H) Hole Diameter : 3mm Hole Center Distance : 6mm Material : Metal, Electric Part Color : Green Weight : 24g Package Content : 1 x DB9 Adapter Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.