[A Good Range of Sizes]Drill set has all the common bits needs for home projects suitable for anyone who does home improvements or works with drill bits for a living. When you break one-off, loose one, loan one, you have more back up, when you run low on one size you can reorder size you used up. [Handy quick change]The set has all the useful sizes for drilling for screws and have a hex end to make changing sizes quick and easy, they also have a titanium oxide finish to help with durability. [Sharp and durable]The bits are sturdy and cut through wood, metal and laminate. the has a hexed end so no need to over tighten the drill collar. [HSS TITANIUM COATING]The set is using industrial-grade materials and HSS construction with titanium coating to help with durability.The shake-free design and staggered cutting teeth precise counter holes and smooth cleaning of the holes. [Easy to store]To increase easier access, a small finger tab on each side of the molded case cover would greatly help with quick easy opening of the case. Colour:gold Material:high speed steel Package Contents: 1 x Drill Bit Set 100pcs Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.