3-Finger Vinyl-Coated Extension Clamp with Swivel Boss Head, 3.4" Max Science at Home_Chemical Science Continuously variable 100V-5kV output shown

Continuously variable 100V-5kV output shown on a 0-5kV digital voltmeter

Premium gyroscope and gimbal cradle on a wooden base

Amoeba Proteus model at 1000x magnification reveals extended pseudopod

Glass equilibrium tubes with plastic base demonstrate pressure equilibrium

Fourteen-orbital-shape model set with detailed illustrated instructions

3-Finger Vinyl-Coated Extension Clamp with Swivel Boss Head, 3.4" Max Science at Home_Chemical Science Continuously variable 100V-5kV output shownThree finger vinyl coated jaws open to 3. 4 inches and mount on a swivel boss head fitting rods up to 18mm, combining protective gripping with angular adjustment on one piece.