Description

Triple tandem plastic pulley with 25/38/50mm ball-bearing wheels on an open-sided 17

Reel of 250-foot 24 SWG nichrome resistance wire

Ratchet-stopped nickel-plated brass 25 mm micrometer screw gauge reading to 0

Jumbo-sized for heavier apparatus

Teacher Inorganic and Organic Chemistry Molecular Model Set, 101-Piece Subject_Biology Triple tandem plastic pulley with101 piece teacher grade molecular model set with 51 atoms and 50 bonds covering carbon, hydrogen, oxygen, nitrogen, halogens, sulphur, and phosphorus for organic chemistry work.

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Teacher Inorganic and Organic Chemistry Molecular Model Set, 101-Piece Subject_Biology Triple tandem plastic pulley with

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