SHDIATOOL Diamond core bit set. Quantity: 12 pieces, with aluminium box. Drill bits:Dia 6/8/10/25/40/50/68/110mm, Total length: 60mm. Connection: M14 thread, diamond height: 10mm/15mm. Drill:Diameter 20mm, total length 60mm; M14 thread. Drill part: length 5mm, grit#35/40. Cutter part: length 30mm, grit#70/80. Chamfer drill bit:Diameter 50mm, working length: 45mm. Connection: M14 thread, total length: 55mm. Adapter: M14 external thread to triangular shank, total length 53MM, shank length 28MM. Saw blade:125mm X-Mesh Turbo Cutting. For drilling, routing and chamfering porcelain tile, granite, marble, ceramic, etc.. Drilling, grinding, milling and chamfering fulfil a variety of wokr requirements and increase efficiency. Vacuum brazing technology, better durability and higher heat resistance. Fast and smooth working. The adapter: High quality steel, long service life. With an aluminium box, easy to carry and more economical. Other Diamond Tools i. Router bits, engraving bits, mouted points…. Please kindly wait if it is delayed, thank you! Most parcel can be tracked on 17track. We will provide great aftersales service. If you need some technic support, we may help you. Some feedback helped us improve our quality, you will be rewarded free gifts, thank you. These products are marked with our brand. If you do not want our brand name, please leave us message, we could send you products without brand. Customized service: If you order 20 pieces and above, we can mark your brand name on the product if you want. Your encouragement and support is our motivation to keep moving forward.