BERNINA L 450 Cut, sew, and finish in one step! High-quality stitches Wave-free seams Fast and smooth at any speed Easy and ergonomic threading Well-lighted, large sewing space BERNINA L 450 – easy to use Working with an overlocker means saving time and stitching fast. Sewing projects take shape quickly and with little effort. Innovative features make BERNINA overlockers delightfully easy to use, ensuring professional quality down to the very last stitch. The overlocker is the perfect companion to a sewing machine.