This level represents a manual attack using a blunt instrument such as a hammer. The test comprises dropping a 100mm steel ball (4,11kg) from various heights. To pass the test the ball must not penetrate the glass.

The level represents a more sustained assault with Hammer and Axe blows. A hydraulically driven hammer head 40mm square wighing 2 kg, initially being used to destroy the glass face with a min of 12 blows. A 2 kg axe head hitting the same sample a min 12 blows with the intention of cutting a 400mm square hole.