1.All-in-one tool pen: The multi-functional tool pen is suitable for DIY projects or home maintenance. The tool pen is equipped with a ruler, a touch screen stylus, a level, and a flat-head and Phillips screwdriver. The multi-function tool pen provides the convenience of carrying around. You can put the tool pen of the toolbox in your pocket. 2.The perfect gift for men: Men's multifunctional pen is not only suitable as a unique and interesting gadget as a men's gift, but also as a unique Christmas, Thanksgiving, Father's Day or birthday gift to father, husband and boyfriend. 3.Compatibility: The multifunctional touch screen stylus is compatible with most touch screen smart devices, tablets and mobile phones, and other touch screen devices. 4.Easy to carry: Whether you are writing memos on paper or taking notes on your mobile phone, the multifunctional tool pen is a convenient multifunctional tool pen. This multi-functional tool pen allows you to enjoy the mini technology tool pen anytime, anywhere. 5.There are two replacement methods for stylus refills: the first is to twist open the cap of the capacitor pen, align the cross-shaped notch of the refill sleeve with a cross-shaped screw, and twist it counterclockwise to take out the ball-point pen refill and replace it immediately. The second is to twist open the cap of the capacitor pen, and directly twist it counterclockwise with your hands to take out the ballpoint pen core and replace it immediately.