YMI bolt-less rack is a stable and rigid set of shelves for storing binders, archive boxes, arch files and various office stationeries. Bolt-less construction allows ease of delivery and assembly. Each shelf carries a load of up to 200kg. (uniform distributed load). Upright has tapered keyhole connection slots. Support bar and shelf bracket features a dual-bolt connection to upright.* Easy to install and dismantle. Bolt-free assembly with no tools required.