Lower slip insulin syringe is a syringe with the ability to connect the needle head with different gauges, which is prescribed for use by diabetic patients with thicker skin, various eye injections, abdominal area, babies, hair and beauty skin, drug testing, etc. . This syringe is designed for subcutaneous injection. This area of the body is suitable for insulin injections because the fat cells allow the drugs to be absorbed continuously and slowly, allowing these drugs to have a longer effect. An insulin syringe typically has a housing, a plunger, and a needle. Insulin syringes have containers of 100 units. This syringe with the ability to change the needle has various uses in all departments of medical centers.