The compact bench top unit has a sturdy wooden frame. The top wooden frame pivots around a steel hinge to enable any angular position between 0 to 45°, indicated on a protractor scale.

A number of specimen trays are supplied, each having different material. Each tray can be attached to a weight hanger and weights are added to slide observe sliding. Additional weights can be added to the specimen allow broader experimental scope. The hanger cord pulls the tray up the experimental plane. An aluminium pulley with a ball bearing allows for a precise experimental value.