Victorinox Swiss Army SwissTool Black Oxidized Multi-Tool Folding multi-tool with 27 functions and oxidized black body 2mm, 3mm, 5mm, and 7.5mm screwdrivers; Phillips head screwdriver Bottle opener, large knife blade, serrated blade, metal file, and metal saw Wood saw, chisel/scraper, crate opener, wire stripper, and 2 rulers Measures 4.5 inches long; weighs 10 ounces; lifetime warranty