- Olympus GIF-Q240X Gastroscope . - Diameter: 9.4 mm Working length: 103 cm Biopsy channel: 2.8 mm - Compatible with: Video processor Olympus CV-240 • Video processor Olympus CV-260 - If you require any further information, please let me know. Return Policy: Items are sold as-is with no returns or refunds available unless explicitly stated.