Electro polished ultra thin wall cannula with blunt tip enables atraumatic treatment with all fillers. Pacakge: One box has 24 cannulas with 24 pre-hole sharp needles FDA, CE Approved! Minimal Pain ■ Smooth and clean surface finishing even up the inner side through electrical hole drilling Scale mark, Dot locator for precide injection ■ Scale mark, Dot locator for precise injection A new generation of cannulas are designed to reduce the damage of hypodermal tissues. Feature 1. Ultra Thin Wall A ...