Features: Metal material is flexible, reusable, durable and not easy to break. Designed to clean blocked nozzles. Compatible with most 3D printer. 0.4mm needle allows you to clean small size nozzles and other small parts, such as the feed gear. Handle design is for twisting during use to clean easily. Specifications: Material: Metal Color: As Pictures Size: 0.4mm / 0.02inch Length: 7.5cm / 3.0inch Quantity: 10Pcs / Box Weight: 9g Package Includes: 1 x Box of 10Pcs Cleaning Needles