6-Piece Density Cubes Set with Hooks Microscopy_Microscopes & Accessories Cork-lined stainless steel safety flask

Cork-lined stainless steel safety flask tongs lock jaws around flask necks to prevent accidental drops during transfer of hot distillation vessels between bench stations

Two-foot acrylic rod with one end coiled into a 9-inch loop

the 90-45-45-degree faces redirecting wider beams for total internal reflection and image-inversion work

blue and the secondaries green

6-Piece Density Cubes Set with Hooks Microscopy_Microscopes & Accessories Cork-lined stainless steel safety flaskSix metal 20mm density cube set with hooks brass, lead, zinc, copper, aluminum, and iron for water displacement and direct measurement comparisons of material density.