Convex probe UST-9130 Linear probe UST-567 Linear probe UST-5412 Foot switch Operation check * Main unit probe reading failure (however, mode confirmation is possible) Confirmation mode (B/M/Color/Power/PW/eFlow) * Exterior with discoloration, scratches * Without side cover * Freeze button with print faint * Convex probe with handle and connector discolored, surface cracked * Linear probe (UST-567) with handle and connector discolored, surface cracked, Cable with coating peeled off * Linear probe (UST-5412) with handle and connector discolored, handle scratched