Weigh the cost of building versus the return on your investment in the balance and you may find a granny flat can offer a great return for years to come and can add value to your home should you decide to sell. *Cost and prices in this article are indicative and should only be used as a guide.
The needles are generally made of a heat-treatable stainless steel or carbon steel. To prevent corrosion, many are nickel plated. Depending on the style of device used, the main body of the tube can be made of plastic, glass, or both.
Pencils are made by cutting blocks of wood into slats that are machined to form a groove (two to nine per slat) to place the leads. A second slat is glued onto the first, sandwich fashion, then individual pencils are cut from the sandwich and sanded smooth.