Glossary:Tri-wing
Tri-wing is a type of screw and screwdriver a bit like cross-head but having 3 arms instead of 4. See Types of screw head and screwdriver in the Wiki.
Tri-wing is a type of screw and screwdriver a bit like cross-head but having 3 arms instead of 4. See Types of screw head and screwdriver in the Wiki.