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5 x Heavy Duty Ebonite Friction Rod
Brass Ring Inner Dia
Each board contains 6 examples of different fractions
Plastic tank
Set of 5pcs Screw Spring Group Endocrine System Model 5 x Heavy Duty EboniteSet of 5pcs Screw Spring Group 1N 5N 2N 3N 0. 5N For Physics Experiment Education Includes: 1 x 0. 5N Screw Spring, 1 x 1N Screw Spring, 1 x 2N Screw Spring, 1 x 3N Screw Spring, 1 x 5N Screw Spring. Premium Quality: This set is made of high quality and heavy duty springs. 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 contact
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