Syringe 35cc Luer Lock Box of 30. Hard Packed (HP). Our premium syringes have a durable hard pack design, ideal for field or office use. They have easy to read, bold graduations to ensure dosing accuracy and a medical grade silicon lubricant inside barrel for smooth accurate delivery. The anti-friction coating reduces penetration resistance for less animal discomfort. The needle cartridge and syringe cap are color-coded to indicate gauge for easy identification following the ISO standards. The sonic welded cap provides tamper evident seal and ensures sterility.