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Perfect for Classrooms
Versatile Design: Features two metal frames connected by a pivoted link
Due to allergic conditions
and group activities
Mechanical Stopwatch Zoology Model Perfect for ClassroomsIncluded: Stainless Steel Mechanical Stopwatch Metallic Balance Nickel Alloy Hairspring + Anchor escapement. Premium Quality: Stopwatch is made of high quality, heavy duty, stainless steel. Ideal craftmanship through and through. Can withstand high temperatures, mechanical & thermal shocks. 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
