Our materials are third party inspected by use of combustion-infrared absorbance, inert gas -thermal conductivity, and inert gas -infrared absorbance testing to insure their purity. Each nail is made through high quality CNC machining and cleaned by high-end magnetic polishing machines that an oil-free surface. It's that simple.TITANIUM - A seemingly perfect material for the process of heating wax , Titanium offers quick and efficient heating, Our grade 1 titanium nail offers the highest quality alternative for your digital temperature controller and size 20mm coil.TITANIUM CAP - Made from the same high grade titanium as the nails, the cap is built with quality in mind, and fits securely over the bowl. Threaded at one end, the stem of the cap can be removed and used as a wax spoon as well.UNIVERSAL - No need to worry if this tool will work with your instrument! This design includes a 6 in 1 adapter for both Male and Female setups! Fits 10mm, 14mm and 18mm of all types.Type: ClassicColour: As ShownMaterial: TitaniumPackage Contents:1 x Titanium NailOnly the above package content, other products are not included.Note: Light 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.