In the fire endurance test, product is subjected to fire at temperatures of 1,700å¼F. Tubular key lock for extra security. Full extension drawer glides for ease of use. Label holder for identifying contents. Modular files stack on top of each other up to four high. Color(s): Black; Width: 16 1/2 in; Depth: 18 1/2 in; Height: 14 1/4 in.