Hollow drill core coring magnetic drill bit, polishing hand tool accessories.The high-quality material is strong and durable, with magnetic force to facilitate the removal of screws.Type: Drill BitApplications: for Steel Carbide Metal Thick Steel Plates DrillingFeatures: Coring Magnetic Drill Bit, Hole Saw Carbide Tip, Metal Cutter Tool, Thick Plates Drilling, Hand Tool AccessoriesSpecification: 12mmDimension:12: app.1.2x3.5cm/0.47x1.37inColour: picture colorMaterial: SteelPackage Contents:1 * Drill BitOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.