Abstract: An improved security apparatus including a security grill having an extending left section and right section. The left section includes a left vertical support member, a plurality of tubular lateral support members extending rightwardly therefrom, and a plurality of vertical bars attached to and supported by the lateral support members. The right section comprises a right vertical support member, a plurality of tubular lateral support members extending leftwardly therefrom, and a plurality of vertical bars attached to and supported by the lateral support members. A plurality of intermediate extension members are each inserted into a corresponding pair of the left and right tubular lateral support members and are slidable therein to allow extension of said left security grill section with respect to the right section.