Jameco Valuepro AK-1607-N-BBW-R Switch Keypad, 16 Button with 8-Pin Solder Pad, 4 x 4 Key, 3.0" L x 2.8" W x 0.6" H, 3" Length. Type - keyboard. Number of keys - 16 key. Layout - 4x4 key. Jameco Valuepro AK-1607-N-BBW-R Switch Keypad, 16 Button with 8-Pin Solder Pad, 4 x 4 Key, 3.0" L x 2.8" W x 0.6" H, 3" Length. Unit Count : Keypad.