Triangular File, 110mm Capacity_1000mL this green LED on a

this green LED on a demonstration base with 4mm plug connections lights up when current flows in the correct direction

Low-conductivity-reference iron rods at 300 by 3mm in a ten-pack

Triple-capacity 2300mAh rechargeable battery unit powers data-logging sensor modules for extended field collection and classroom experiments

Four vinyl-coated prongs grip flasks and burettes up to 4

and pistil of monocot grass flowers for cereal-crop botany teaching

Triangular File, 110mm Capacity_1000mL this green LED on aTriangular cross section file measuring 110 mm, cutting narrow grooves and sharpening edges in laboratory metalwork and sample preparation tasks.