Most people don't realize what's under their trim and drywall. They never see what's behind the trim and drywall, but with a standard outside door, there is a space between the door jamb and the wall stud As you can see here the gap is a little over 1/2 inch.  There are only a few screws or nails holding the door in place.  The door jamb or door frame is just soft wood for looks, not strength.   When you install a deadbolt you are actually drilling into the door jamb, which weakens it even more. The yellow arrows point to the only wood you that's keeping your door secure from a criminal. With the deadbolt installed you are actually going right through the door jamb wood. The little brass plate they give you just screws into the jamb but not into the wall stud in the back.  That's where the strength of the wall and door are. Even if you use extra long screws with the brass plate, going all the way to the stud, there isn't enough sheer strength to hold the door against a strong kick. With the StrikeMaster II PRO installed you can see here some of the ten, 2 1/2 inch screws, which penetrate through the door jamb and into the stud. Now when a criminal kicks the door they don't get in. The sheer strength is spread over the 59 1/2 inches of StrikeMaster II PRO with 10 screws holding the door jamb and deadbolt in place. To secure your door you need a good deadbolt and StrikeMaster II PRO to strengthen the doorframe. We also recommend that you put three 2 1/2 inch screws on the hinge side of the door - at least one on each hinge to secure that side as well. We will provide 3 for this purpose.

"A well placed kick is backed with hundreds of pounds of pressure. I have been breaking in the martial arts for over 30 years, and I have never seen a security device withstand force like the Strike Master II. You have certainly developed a product that I have no qualms putting my name and my school behind. The Strike Master II is a high quality product that anyone with a home can use!" - Steve Mathews, Steve Mathew's Chinese Martial Arts Center   STRIKEMASTER II PRO In the News As seen on the Discovery Channel's "It takes a thief". WFMY News 2 in Greensboro, NC featured StrikeMaster II for burglary prevention.  Homeowner in Charlotte, NC installed StrikeMaster II AFTER her home was burglarized. From WCNC News 36   WXII-TV 12 in Winston-Salem, NC features StrikeMaster II in a home security news story.

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