1. tool set : the package includes 4 pieces pen screwdrivers and each screwdriver includes 8 screwdriver head kits with magnetism, including 1/ 16 inch, 5/ 64 inch, 3/ 32 inch, 1/ 8 inch, #00, #0, #1 and #22. Pen shaped : pocket screwdriver is designed in the shape of a pen, there are 8 different screwdriver heads inside the pen and a small magnet in the bottom of it which can firmly fix the screwdriver heads3. Easy to carry: the lightweight and make the mini screwdriver convenient and easy to be carried; This hardware tool is great for homeowners and DIYers to quickly do jobs such as electronic assemblies and repairs, projects and so on4. Sturdy material: each screwdriver kit is made of strong aluminum, sturdy and durable, so you can use it , office or on the road; You can add it to your hand tools, supplies or office gadgets for assembly or repair when in need5. Easy-change screwdriver bits: it is easy to change the screwdriver bits, just unscrew the top cover of the pen directly to take out the screwdriver bits that need using, and then put it into the tip of bit holderProduct descriptionPortable screwdriver tool:Designed with a pen-style housing with pocket clip, the pocket screwdriver is portable and small for easy carrying. You can clip in on your shirt pocket so you can quick access to it when you're on travel, in office, etc.Meet most of your needs:The small pen screwdriver a tool for small or projects with mini size, 8 screwdriver head kits will meet your most needs for repairing or assembling.Practical gift:Featuring novelty appearance and different colors, the hand pen screwdrivers are considered practical gifts for , families and colleagues. They will appreciate to have this multi- hand tool when they need to do some repairing work or in office.Specification:Material: metalSize: 4.37 x 0.51 inchColor: black: 4 piecesPackage Contents:4 x Black screwdriversOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.