Electrostatic Discharge Tongs with Brass Spheres, 20cm Lab Equipment and Supplies_Audio Visual Equipment Stackable 300mm red 4mm lead

Stackable 300mm red 4mm lead with nickel-plated split-hollow pins on both ends

Five-pack of 3/4-inch steel marbles

Demonstrates conservation of momentum

2A resolution sits between the 0-5A and 0-30A meters in the line for heavy bench loads

Greatly enlarged inner ear model exposes bony and membranous labyrinth alongside a sectioned cochlea for vestibular and auditory anatomy teaching

Electrostatic Discharge Tongs with Brass Spheres, 20cm Lab Equipment and Supplies_Audio Visual Equipment Stackable 300mm red 4mm leadBrass spheres electrostatic discharge tongs at 20 cm with adjustable jointed rods and an insulated ebonite handle, safely grounding accumulated static charge during high voltage demonstration work.