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Easy to read scale in both inch and millimeters
is mounted on an insulating support rod with a stable base
and base ten equipment
Ideal for Sport Persons and Physical Trainers etc
Made of different metals in different shape & size
Spiral Spring Electric Anatomy Models Easy to read scale inLong Wave Form Spring, for experiment in wave motion, pulses, reflection and interference. Closed length: 1. 8m, Diameter 2cm. Premium Quality: Spiral Spring is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please
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