These Ardes syringes are a popular choice. High quality, durable, long lasting nylon syringes at economical prices. Have been field proven for over 30 years. Clear plastic barrel has bold, black-inscribed numbers and orange handles. These syringes have a luerlock/luerslip needle holder. Clear O-rings are made of silicone. Autoclavable up to 260 degrees Fahrenheit. Made in France.