Warm Tips: For longer life-span of the blade, please use the professional backing plate instead of hard backing plate like glass plate. Description: It is a trimmer which combines a ruler and cutter and on which the cutter slides on the ruler for cutting. It can cut thin materials or thicker ones at thickness max 10mm. There are trapezoid blades furnished which can substitute the art cutting blade when it is broke off. Using hook blade can cut PS board or acrylics. There are two anti-sliding strips on the bottom surface of ruler to prevent running deviation. This ruler increases your working efficiency, it is safe and practical, and also prevent cutting hands. The blade is designed with safety lock which locks the blade from moving to make safe.Details: Cutting Head: ABS engineering plastic designed cutting head, prevent to cut your hands. The head slide on the ruler for cutting, safe and practical, improve work efficiency. Safety lock: Humanization design, the head of this ruler designed safety lock which can lock head and assure the safety. Back: Industrial aluminum alloy, wear-resisting and anti-scratching. The bottom of this ruler designed with two skid strips just in case its deviation. The blade can be replaced by turning the screw here. Hook blade-10pcs, Stright blade-10pcs. Features: Length: 63" (160cm) Material: Industrial aluminum alloy, strong and durable. Cutting Thickness: 1-10mm Judgment Whether Suit Cutting: The material which at thickness not more than 10mm and can cut by the art cutter. Applicable Materials: PP paper, thin PVC, PET film, Vehicle Wrap, adhesives, photo paper or other rolled materials.