The 4Pairs Grass 3903 2625110 Cabinet Hinges are modern, self-closing hinges designed for bi-fold doors. Made of steel with a silver color, these snap-on hinges have a 170° opening angle and come in a pack of 4 pairs. They do not come with fixings supplied, making them easy to install for home improvement projects in the building and hardware category. The self-closing feature adds convenience and functionality to cabinet doors.