HARPOON DESIGN: The tip of the harpoon is designed for aspiration every time. These are performance instruments. It is more comfortable for your fingers and thumb while pushing the harpoon. The Arrowhead tip of the harpoon engages the piston of the carpule and offers the aspiration to avoid the blood vessel pricking MEDICAL GRADE STAINLESS STEEL: Made with high-quality medical-grade stainless steel. Black & Golden anesthetic syringes are Tempered and hardened for longer life. Our line of high-quality instruments and precision tools are used in many applications including Scientific, laboratories, industrial companies, crafts and hobbyists EASY TO USE: The syringe handle and thumb rings are designed for a natural fit. 1.8ml anesthetic syringe is easy to install, Reliable and durable. These aspirating syringes are very simple to use and are made with quality materials. It is Autoclavable and sterilizable. ARTMAN INSTRUMENTS: our fabrication process and products are thoroughly supervised and tested; to make sure we provide the best quality products and guaranteed customer satisfaction. Aspirating syringe Sideloading with arrowhead harpoon Sideloading carpule syringe saves time. The Arrowhead tip of the harpoon engages the piston of the carpule and offers the aspiration to avoid the blood vessel pricking. It is more comfortable for your fingers and thumb while pushing the harpoon. It is designed for a 1.8ml carpule.