1. Wide range of use: These paper trimmer blades can be applied to different papers such as printing paper, photo paper, and coated paper, and are ideal for manual projects. You can create various paper shapes according to your preference. 2. Durable material: The paper trimmer blade refill is made of high-quality ABS plastic with durable steel blades for long-lasting performance. The ergonomic handle design ensures a secure grip. Compatible with 853A4 plastic base paper cutter, A3 42 cm plastic paper cutter, and 856A4 white plastic base paper cutter. 3. Thoughtful design: The replacement blade is concealed under the blade holder to help prevent accidental injuries. The handle features a non-slip design for safe and comfortable use. 4. Package includes: 4 orange replacement blades for paper cutters. The quantity provided ensures reliable backup supply for continuous trimming and cutting tasks. 5. Easy to use: The cutting blade can be replaced with one hand by gently pressing to achieve the desired position. Products may resemble other cutters in appearance; please review specifications carefully and confirm compatibility before purchase.