1. EARMOLD SAMPLING: Ear impression syringe is mainly used for inner ear sampling and fitting of hearing device, professional manufactured, with great performance. 2. PISTON IMPRESSION DESIGN: Effort saving, even high density injection materials can be easily fed into the eardrum, making injection process easier, practical. 3. EASY OPERATION: Transparent tube wall makes ear injection process more visible and controllable, which is easily refillable, suitable for professionals. 4. EXQUISITE WORKMANSHIP: Pay attention to details, simple structure, meticulously crafted, smooth surface, burr free, will not scratch skin, can be used with confidence. 5. PP MATERIAL: Earmold injector adopts great PP material, safe and eco friendly, firm and sturdy, anti impact and stable, no deformation, durable for use. Specification: Item Type: Ear Prints Syringe Material: PP Size: Approx. 3.5mm / 0.1in Use: Used for fitting professional hearing device, inner ear sampling tool Package List: 1 x Ear Prints SyringeEASY OPERATION: Transparent tube wall makes ear injection process more visible and controllable, which is easily refillable, suitable for professionals. PP MATERIAL: Earmold injector adopts great PP material, safe and eco friendly, firm and sturdy, anti impact and stable, no deformation, durable for use. EARMOLD SAMPLING: Ear impression syringe is mainly used for inner ear sampling and fitting of hearing device, professional manufactured, with great performance. PISTON IMPRESSION DESIGN: Effort saving, even high density injection materials can be easily fed into the eardrum, making injection process easier, practical. EXQUISITE WORKMANSHIP: Pay attention to details, simple structure, meticulously crafted, smooth surface, burr free, will not scratch skin, can be used with confidence.Best Sellers Rank: See Top 100 in Health & Household. : B0BWX71WV1. Manufacturer: VINGVO. Date First Available: February 27, 2023. Item model number: VINGVOwnybi3g0cr-12. Package Dimensions: 5.51 x 1.57 x 1.57 inches; 1.52 Ounces.