VAPKER 18 Kind 2.54mm Single Row Stackable Female Pitch Straight Female Pin Header Kit For Arduino Pin Pitch :2.54mm/0.1inch;Gender of Connector: Female Type of Row: Single-Row; Mounting Angle :Straight Material : high quality plastic, Copper; Color : Black, Gold Tone Pin header is ideal connector for the PCB board and intergrated circuit Package:36 PCS in a handy plastic box.18 kinds total,each kind 2 PCS.