For F4, A4 files and standard box files, anti-tilt safety interlock mechanism provides a much safer environment, which only allows one drawer open at a time, ball bearing slides, leveling glide system Model and size: DR4D---W458*D635*H1337(mm) with 4 drawers DR3D---W458*D635*H1032(mm) with 3 drawers DR2D---W458*D635*H728(mm) with 2 drawers
