.Parameters: Air inlet diameter: 4mm, air outlet diameter: 6mm; output shaft diameter: 1.95mm; speed: up to more than 50000RPM .Exquisite Appearance: The shape is small and novel, which can be placed on the palm like a treasure. Is an excellent craft .High Quality: The product is made of all metal, the rotor is stainless steel, the four ball head bearings are stainless steel, and the rest are made of brass. The production is fine, the surface is bright and shiny, and the gold is shiny.Simple Operation: Can be started with an air compressor, used for grinding and processing, etc. .Operational Significance and Value: By operating the turbine model, you can learn the operation principle of the steam turbine more intuitively and deepen your children's interest in physics. At the same time, this model is also a collectible .For Crowd: 14+
Specifications: .Color: As Shown .Material: Metal .Product Weight: 100g .Package Dimensions: 8 x 8 x 6cm .Package Weight: 150g .Packing: Box
Package Content: .1 x High Speed Turbine Model
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Q4 :How will you refund me? A4 : The refund are applied to the original payment method.
