Use the aluminum force wedge along with a halligan tool to create a gap while forcing a door during forcible entry operations. Tap in the wedge with the butt end of your halligan bar creating a gap for the adz portion of your halligan to slip into.
Unlike the wooden variety, the metal wedge will not deform under the stress and impact it will face.
Made of 6061-T6 aluminum that is known for it's strength and toughness,this 7 oz wedge has a two holes built into it. One hole slips onto the spike part of your halligan and the other hole is for a 11" bungee cord with ball that allows the wedge to be stored on your halligan bar.