Features: This rotary paper trimmer is especially designed to cut standar circle. Widely used in the school class, office, kindergarten. Each package contains 3 replacement heads. Suitable for cutting circle that diameter is from 4-12 Inches. Can be used for cutting printing paper, photo paper, composite paper, filmed picture, cardstock, etc. Accurate scales designed for precise cutting easily. Non-slip base and sturdy stainless steel cutter which ensures straightly and neatly cuts. Easy to use, adjust the size by unscrewing the roller on ruler, sliding and tighten it until it matching the desired size. Then place the cutter on paper and turn it to get a circle. An essencial scrapbooking tools, perfect for DIY birthday cards, name cards, gift cards, photo album, greeting cards making, party invitations, paper art crafts. Specifications: Material: PP; Metal Color: White Size: As picture shown Weight: Approx. 120g Package Includes: 1 Piece Circular Paper Cutter note: 1.Please allow 0-1cm error due to manual measurement. make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you