Electrostatic Friction Rod Kit, includes: -3 fabric cloths (wool, cotton, silk) -3 rods (glass, ebonite, lucite), provides the necessary tools to free both positive and negative charges for exploration into electrostatic forces, 0.4 lbs, 9.8x6.0x1.8in
Premium Clamp - Three Prong with Bosshead, Vinyl Coated Extension Lab Clamp, 8.5 cm maximum clamp opening attached to High Strength Alloy swivel bosshead, Boss accommodates to 18 mm rod
Steel Support Ring Stand with 3 Rings, Base 20 x 12.5 cm, 800 g, Rod 500 x 12 mm dia, Support rings 75 mm, Support rings 100 mm, Support rings 125 mm, Contains base, rod, and 3 retort rings for lab experiments
Support Ring, Steel Rod, Steel rod, zinc-plated support ring with attached boss head clamp and thumbscrew, Distance from support to center of ring is 4-1/2in for all sizes, Diameter: 4