Whether you need to open a bottle tighten a screw or nut pry a staple out cut fishing line or touch up a blade on the go the macv tool has what you need.Designed to resemble the original skull from the macv-sog group of which our company is named after since 1986 the macv tool is a versatile everyday carry keychain tool that will prove handy in many situations.Best of all its already in your pocket.It has twelve basic components- pry bar bottle opener small flathead driver large flathead driver small phillips driver line cutter blade sharpener 1/4" wrench 5/16" wrench 3/8" wrench 1/4" hex bit driver and lanyard/keychain hole.