Set of 9 Iron Mass, which can be used as calibration weight. Made of Iron with nickel plating, giving it a shiny chrome-like finishing. Very useful to teach that weight measure is a relative concept. Perfect for use with bucket balance or pan balance. Set of 9 consists of 1 x 1kg mass, 2 x 500g mass, 3 x 200g mass and 3 x 100g mass. Packed in a durable plastic container with lockable lid and handle.
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Tags: Iron, mass, weight, heavy, 1 kg, 500g, balance, pan balance, scale, platform scale, kitchen scale, calibration, slotted weight, spring scale, hook weight