High-Speed Low-Friction Pulley on Rod, 10" Type_Apron Molded in one piece with

Molded in one piece with sleeve-bearing wheels

Polyhedral 120mL glass alcohol lamp ships with a metal cap and fiber wick for low-temperature bench heating in chemistry and biology demonstrations

each foam-protected in a wooden case with frequencies labeled

Three-part medical-quality human skull model with a removable calvarium and articulated mandible

and engineering classroom activities

High-Speed Low-Friction Pulley on Rod, 10" Type_Apron Molded in one piece withTen inch high speed low friction pulley on a 12mm aluminum rod, pairing a 2 inch plastic wheel with a metal bearing for smooth, consistent rotation in force and motion experiments.