Our folding security gates are made of strong 3/4" G14 channel steel, with a black powder coat finish to preserves the integrity and extend its longevity. The safety lock design increases the security, and an installation kit can ease your assembly. Such stretchable door gates are the ideal gates for securing your high-traffic hallways or entryways in any business or industry. | Vevor | | Double Folding Security Gate, 6-1/2' H x 12' W Folding Door Gate, Steel Accordion Security Gate,Expanding Security Gate | Black | Best Buy