Manicure Hand or Arm Rest (Nail Stand) by SMART PRO, ideally fits over most nail lamps and dust vacuums without taking much room on the work table. Excellent craftsmanship, soft padding. Metal legs of this arm rest provide sturdy balance and long use. Also check the SMART PRO Manicure Nail Stand “Butterfly”. Internal space measurements: Height: 12 cm (4.75 inches) Length between legs on inside: 40 cm (15.75 inches) Width: 15.5 cm (6.1 inches) Thickness of Pad: 1.5 sm Easy to clean and disinfect. Extra shipping (item is bulky). Minor assembly is required.