About this Troika Micro Construction Pen Keychain:
Split-ring keychain with twist-action ballpoint pen and stylus, flathead and Phillips screwdriver.
Side of pen has ruler in CM and IN.
NOTE: Product comes with Prop 65 warning label. Label reads: "WARNING: This product may contain carcinogen, which is known to the State of California to cause Cancer and Reproductive Harm. For more information, go to www.P65Warnings.ca.gov.