The durable OLFA Stainless Steel Wave Blade features a razor-sharp edge for creating decorative edges. The wave edging is popular for scrapbooking and paper crafts. Use this ultra-sharp blade on fabric, fleece, paper, and more. For use only with OLFA® 45mm Ergonomic Rotary Cutter (RTY-2/DX). Use an OLFA Self-Healing Rotary Mat to protect work surfaces and prolong blade life.