Countersink Drill Bit Set 8 Pieces Three Pointed High Speed Steel Drill with One L-Wrench for Wood Drilling or Woodworking Chamfer

Note: -The best use of this product is to use a bench drill, because the hand electric drill is not fixed in. -The operation process, the drill bit (especially the 3mm to 4mm) is prone to bend and break! -Try to keep the drill vertical while drilling, so as not to be uneven. -Suitable for drilling holes on board of low hardness such as wood, plastic and other soft material. -Drilling length can...