This Snap-on Tools BK3000-55 5.5mm Imager Borescope Video Inspection Tool is a must-have for any mechanic. The tool allows for easy inspection of tight spaces without having to disassemble the vehicle or equipment. With a light-up head, you can easily see what you're working on even in low-light situations. The BK3000-55 is in great condition and ready to be put to work.