Hourglass also known as sand clock or Egg timer was invented, before the arrival of mechanical Clocks, to measure the passage of time. Today its presence in drawing rooms is seen as the special interest in decoration with class apart. As being the prominent online home decor store, we offer wide range of metal glass sand hourglass to match the steps of modern home decor fashion. 58193 wood metal glass sand timer is one of that. Both the bases of 58193 window Mtl glass sand timer are made of solid well seasoned wood in triangular shape. Three connecting rods are made of solid brass of premium grade. The bulbs are made of quality durable glass.