Rotational Motion Accessory Kit, Use to study the motion of a physical pendulum; the rotational inertia of disks, rings, and point masses; and the conservation angular momentum, inlude hollow aluminum rod, Ultra Pulley
Workbench 4-Station, Dimensions: 64inW x 54inD x 31-1/4inH, Material: Maple, 2-1/4in maple top, Double faced cabinet has two doors and an adjustable shelf on one side and on the other side has 6 locking drawers, non-emitting UV finish