Triple-Parallel Plastic Pulley, 50mm Diameter Item Type_Dissection Equipment Chrome-plated steel wire stand at

Chrome-plated steel wire stand at 5 x 5 x 5 inches supports flasks and beakers above alcohol burners for classroom chemistry demonstrations

teaching electromagnetism

Six-piece polypropylene beaker set spans 50mL to 2000mL for complete classroom and lab volumetric workflows without glass breakage risk

4A rear-panel fuse

gripping cylindrical items from 15 to 60 mm alongside an integrated boss head for retort rods

Triple-Parallel Plastic Pulley, 50mm Diameter Item Type_Dissection Equipment Chrome-plated steel wire stand atTriple parallel plastic pulley with three 50mm wheels on a steel frame with end hooks, supporting three rope compound arrangements for advanced mechanical advantage investigations.