Come and Check Our Branding Solutions.The tech pen have 6 very handy functions with a universal inch/cm ruler, a spirit level, a ballpoint pen, a stylus, a flat-head and phillips screwdriver. The pen body is made of aluminium, the pen tube is made of copper, the refill and screwdriver are made of iron. 5 different colors pen body (blue, black, red, silver and yellow). Twist action pen, write fluently, durable, smart and portable. Unique desigh, a valuable pen you worth having for your life and work Pls check inventory and detailed info before placing your orders.