Some interesting facts about insulin syringes are as follows:

1. Insulin syringes are specifically designed for administering insulin to diabetes patients.

2. These syringes are available in different sizes, ranging from 0.3 ml, 0.5 ml & 1 ml.

3. They have an extra fine needle available in 29, 30, and 31G and a calibrated barrel to measure insulin units accurately

   In U-40 and U-100

4. Proper disposal of used insulin syringes is essential to prevent contamination and accidental needlestick injuries.