iKey is the authorized United States distributor for Cursor Controls, the leader in designing and manufacturing robust pointing device solutions for medical, military and commercial screen-based applications. These trackball products are developed for use in the harshest environments where precise cursor control is essential. The P38 series trackball uses a combination of precision stainless steel components, high grade injection molded plastics and superior optical encoders to create a new level of high quality compact trackballs. It is a 38-mm trackball that is recommended for use in keyboards, control consoles, medical systems and field equipment. It features options for a backlit, translucent or stainless steel ball.