No assembly required * The mast of the table pivots and can be locked in onof the 3 positions from flat on the floor to 90 degrees * The pivot feature allows the table top to be positioned closer to individuals in a bed sitting in a wheelchair or folded for storage * The table top tilts with the angle of the mast * 4(ea) 2 casters (2 locking) * Color: grey table top black frame * Dimensions: Table top 23.5 W x 15.75 D Height adjusts: 28 - 37 * Base measures 25 x 25 * Limited Lifetime Warranty