Working Screwdriver Gun Keychain. Actual Gun (As Shown Without Screwdriver Heads attached) is about 2 1/4 Inches Long (measured from Top End to Top End) and About 1 3/4 Inches From Top Back End to Bottom Red Capped End. Key Chain is about 4 1/2 Inches Long Total (measured from Top of Back End down to Actual Key Chain). Yellow & Red Plastics Body. Body holds three insertible Screwdriver Heads. Heads can be attached to Gun Body with a Knurled Thumb Nut. Marked Hong Kong on one side; No. 404 on the Other Side. No Other Markings can be found. All Moving Parts work well.