Pieces Titanium Coated Automatic Plastic Review

Package includes: there are 6 pieces of step drill bits and 2 pieces of center punch in the package, sufficient quantity and type are enough to meet your various needs, and you are able to share with your friends who need these home improvement accessories. Step drill bit set: design in metric and inch sizes, 4-20 mm, 4-12 mm, 3-12 mm, 3/16 inch-1/2 inch, 1/4 inch-3/4 inch, 1/8 inch-1/2 inch, multi-size design can meet your various needs, you can choose according to the actual needs of the appropriate step drill to use. Durable material: step drill bits are made of high speed steel, coated by titanium, which are resistant to heat, corrosion and rust, practical and durable, and these step drill bits equip with bags for easy carrying and storage. Automatic center punch: automatic center punch is so effective that you are able to mark workpiece with a dimple to prevent screws and drills from wandering, helping you complete work accurately and quickly, save your time and energy. Wide application: the step drill bit set is very suitable for drilling, reaming, marking and more, also fit for chamfering various types of materials such as wood, plywood, aluminum, iron, copper, fiberboard, particle board, plastic, PVC board and many other types of metal sheets.