The paper cutter heavy trimmer is easy and convenient to cut up to 15 sheets at one time; making your cutting work more efficient.it is very useful for offices, kids, art. Size Indicator Including A4, B5, A5, B6, B7 Use For: A3 Item: Paper Cutter Manual, Stanley, tool Opportunity: Home, Office Cutter Paper Quantity: Approx. 10 Sheets HOW TO USE: 1. Paper cutter for all Put the trimmer on a firm, solid surface before use 2. Adjust the paper to the desired position with the magnetic paper adjuster on the base of the trimmer 3. Hold the paper on the base with your hand 4. Press the blade down firmly until it stops 5. Lock the blade to the safety locking device when the trimmer needn’t to using Package Content: 1 x Paper Cutter set 1 x Clamp