High speed auto-size machine trim saw can be used to trim the both sides of rough plywood into regular in the same time. All the feeding devices use high quality steel rollers. It is the main part in the plywood handling section, can be used to trim plywood and thin block board. This type size machine trim saw is high speed automatic model, it includes four sections: vertical sizer saw, horizontal sizer saw, feeding devices and turning roller table. It can be used to trim the both sides of rough plywood into regular in the same time. All the feeding devices use high quality steel rollers. It is the main part in the plywood handling section, can be used to trim plywood and thin block board.