UltiCare VetRx premium quality human-grade syringes are precision engineered with advanced technology to provide pets with a more comfortable injection. SILICONE LUBRICATION: We add a layer of microbonded lubrication to help the needle glide into the skin. MICRO POLISHED: Each needle is polished to a smooth finish, removing any very small blemishes that could occur during the manufacturing process and cause painful skin tearing. ACCURATE DOSING: Bold dose unit markings and large barrel flanges for accurate dosing and easy grip and control. FOR ANIMAL USE ONLY.