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CWSG
Reliable student masses (Weight) for educational laboratory experiments.
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From $10 /unit
Calibrated Student Masses (Weight) for Laboratory Use
Reliable student masses (Weight) for educational laboratory experiments.
D Cell Battery Holder with Fahnestock Clip
Durable plastic holder with flexible metal terminals for D batteries
Hand Tally Counter, Student Grade, Wholesale
Mechanical tally counter, counts anything, no batteries required.
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