1. Materials: first grade chrome plated brass without glass tube for durable operation.
2. Dose: 5ml.
3. Dose adjustable: 0.5-5ml adjustable continuous syringe.
4. Features: with 200ml large & 100ml small draw-off (bottle fixed device) for directly inserting the liquid bottle to the fixed position, avoid secondary liquid pollution by straightly injection, liquid bottle is laced at the center of gravity for stable holding.