1.Material: aluminum + silicone tip 2.color:Silver,white,Black.blue,ect(any color are available with PMS provided) 3.multifunctional:ballpen+ruler+leveler+screw driver+touch pen 4.Perfect fit for iphone or any of the touch screen electronic's product. 5.Ballpen, write fluently and durable 6.Ruler, convenient and usable for study and work 7.Leveler, for estimating slopes 8.Mini screw driver, unscrew the top to see two headed screw drivers in Phillips and standard OEM service welcome