Heavy Duty 6in X 11in Extra Large Retort Base with 35.5in (0.5in diameter) Rod, All rods are stainless steel, Epoxy powder coated Blue Bases, Research Grade
Torsion of Metal Rods Apparatus, Searles, Horizontal pattern, having heavy metal pulley, two heavy metal brackets and two graduated scales are mounted on the connecting rod & two pointer can be clamped on the test rod with one brass & one steel test rod