310 Series Five-Drawer, Full-Suspension File, Letter, 26-1/2d, Black Steel 26 1/2'' deep ball-bearing suspension vertical file with thumb latch on drawer. Commercial-grade files to meet your long-lasting needs. Spring-loaded follower block in each drawer keeps files upright and neat. High drawer sides add strength and serve as front-to-back hangrails. Thumb latch keeps drawers safely closed.