Total pressure: 15micron
Cutaways on the anterior wall of the heart show the interior structures
Premium Quality: Double Plastic Pulley in Parallel is made of high-grade construction all the way through
The model shows various cellular structures
This model shows the details of external
Metal Cylinder Set Paint Total pressure: 15micronMetal Cylinder Set B. Cylinder Set of 3 Kinds Metal, size Dia2x3cm, including Copper, Steel, Aluminum, Brass. C. Cylinder Set of 4 Kinds Metal, size Dia1x5cm, with knob, including Copper, Steel, Aluminum, Brass. D. Cylinder Set of 4 Kinds Metal, size Dia2x4cm, with knob, including Copper, Aluminum, Zinc, Iron. E. Cylinder Set of 5 Kinds Materials, weight 19g including Polyethylene, Polyvinyl Chloride aluminum, Nylon, Aluminum, Brass. All the Cylinders