Convex probe UST-9130 Micro convex probe UST-9133 Foot switch * Startup failure (cannot proceed from the startup screen) * Two probes operation have been confirmed with other unit. * Convex probe: Element missing. * Micro-convex probe: Element slightly missing. * With discoloration, dirt, scratches, paint peeling * Side cover: Damaged * Side probe hook: Distorted * No back pocket * Convex probe: Surface scratches, cracks in the plastic part, connector and handle are discolored, cable with repair marks * Microconvex: Cracks in the plastic part. connector and handle are discolored, cable with repair mark.