Amazon has the Kikkerland 4-In-1 Tool Pen for only $4.00! It has great reviews. This refillable 4 in 1 ball point pen includes: 1 Philips screw-driver head, 1 level, and a ruler. Bring this pen to the office or keep in your tool box. Keep in mind, Amazon pricing can change at any time! Don’t wait to purchase this deal or it might be gone when you come back!