This Toolland set contains a small version (9mm blade) and large (18mm blade) version utility knife. The blades are of high quality and designed to ensure precision with every job. The handle is comfortable and offers a good grip, so you can work without worry. The automatic blade change system ensures that you can change blades quickly and easily, making it very safe to use. This set is perfect for DIYers and professionals looking for a reliable and versatile solution.