Place of Origin: Jiangsu, China (Mainland) Brand Name: Sinodream Model Number: SN-GD013 Type: Glass Drill Bit Material: 45# steel,+YG8C Use: Glass & Tile Drilling Shank material: 45# steel Tipped material: Yg8C Surface treatment: Titanium coating Use: Glass&Tile drilling Size: 4.0-16.0mm Tip: Cross head tip Packaging & Delivery Packaging Details: PVC Bag, PVC Tube, Blister Card,Double Blister Card, Nylon Bag Delivery Detail: 30-45 days after order confirmed Specifications Size: 4.0-16.0mm 1.Material: YG8C tip for quick drilling 2.Surface: Zinc plated,Sand Blasted 3.Shank: Round, Hex YG8C Tipped Glass Drill It is installed in the cordless drill ,for drilling Glass, Tile, Mirror & Ceramics. Package: PVC bag, PVC tube, Blister Card,Double Blister Card, or other Set Package. www.sinodreamtools.com