DescriptionMaterial: High Speed SteelColor: blackDiameter of the saw tooth part: 3/8"(9.5mm)Quantity: 13pcs/setFeature1.High Quality:Made of high-speed steel material, high hardness and wear resistant.Center pin on the bit is spring loaded.2.Perfect Size:Double-Sided 3/8" High Speed Rotary Metal Cutting Blade, 1/4" Standard Size Arbor with Flats to Eliminate Spinning in Chuck.3.Suit For:Sharp double-sided blades for high efficiency. Suitable for thin stainless steel sheets, iron sheets, aluminum sheets, F.R.P or other thin metal sheets4.Double Sided:This weld cutter is double sided rotary cutter blade separates spot-welded panels more effectively than a panel cutter. Double sided 3/8 inch rotary blade and Hex Shank fit most drills5.Easily Separate:Spot weld cutter drill bit for easily separate spot-welded panels without distorting the sheet metal.Note:2. Please allow 1-2 cm differences due to manual measurement.1. Due to the light and screen difference, the item's color may beslightly different from the pictures.Package Included:1pc x Spot Weld Cutter2pcs x Pin10pcs x Extra 3/8" cutter