This IBM Model M keyboard, manufactured in 1991, is a classic mechanical keyboard that still functions great today. With its white color and QWERTY keyboard layout, this keyboard is made of durable plastic and measures 19 inches in length, 8 inches in width, and 1.5 inches in height. It features connectivity options of PS/2, wired, and SDL, making it easy to use with a variety of devices. Additionally, it has a clicky keyboard feature that is perfect for those who enjoy a tactile typing experience.