Bit of drilling in glass, stable practical practical high-quality for the home

Features:1. Our drill bit metal premium-quality, which is of high hardness, wear-resistant and durable to use2. easy to use, start simply your hole in diagonale and do a trace round, then now the drill right.3. Excellent for make marees and holes precise on the glass, the tiles and the marble4. Works better with a drill electric (except in this item).5. In reducing the rate of drilling and in continuant to add a cooling by water for extend the service life bits.Specifications:Features&xa0:1. Our drill bit is made from metal of first quality, of high hardness, wear-resistant and durable2. easy to use, start simply your hole in diagonale and do a trace round, then now the drill bit right3. Excellent for make marees and holes precise on the glass, the tiles and the marble4. Works better with a drill electric (except in this item).5. In reducing the rate of drilling and in continuant to add a cooling by water for extend the service life bits.Specifications&xa0:Material&xa0: Metal Size&xa0: 6/8/10/12/14/16/18/ 20/22/25/28/30/35/40/45/50 mmle package includes&xa0:1 x 16 pieces of drill bit to tools diamantes, set of saw clochesremarque&xa0:When of use of the drill bit, please add of water for cooling the temperature to extend its service life.please note that the new type and old type of this product will sent to the random, and make sure that this you disturb not before order.