Material Made of alloy and plastic materials, durable and sturdy, sharp knives, suitable for cutting and drawing. Easy to Use Oneclick to lock, precise balance, easy cutting, environmentally friendly and dustfree. Side lock, slide down to lock and secure. Allinone tool Measure, mark and cut drywall with one easytouse tool; also great for floor tiles, carpets, linoleum, wood floors, insulation, wood paneling, hanging pictures and blinds, cutting fabrics, foam boards, vinyl siding, plywood, ceiling tiles, roof tiles, etc. Function Accurate positioning, drawing straight lines, drawing circles, quick and easy. Safe and portable Durable ABS head and rubber handle, lightweight, maximize balance and control. Builtin storage blade box, more convenient to carry the blade.