Movable jaw plate, which installs in the moving jaws. Normally, it also has two kinds of designs, one-piece design, and two-piece design. Common Aliases: Jaw crusher liners, Fixed jaw plate, Movable jaw plate, Swing jaw plates, Manganese jaw liners. Main Material: Mn14, Mn18, Mn22, Manganese alloy steel, Manganese steel with TIC inserts.