About the OLFA 60mm Ergonomic Rotary Cutter (RTY-3/DX): The OLFA 60mm Ergonomic Squeeze Handle Rotary Cutter combines comfort, convenience, strength, and safety. It's perfect for quick fabric cutting for all your heavy-duty quilting and sewing projects. This rotary cutter comes preloaded with the OLFA 60mm Endurance Blade (RB60H) manufactured from high-quality tungsten tool steel. It easily cuts through multiple 12 layers of cotton fabric. The easy squeeze trigger automatically retracts the blade for safety. Compatible with OLFA's 60mm Replacement Blades (RB60-1). Designed for use on a wide variety of materials including fleece, felt, wool, cotton, leather, suede, foam, vinyl, and more. About OLFA: Ever since Yoshio Okada, the founder of OLFA CORPORATION, invented the world's first snap-off blade cutter in 1956, OLFA has been committed to developing practical and safe hand-held cutting tools. OLFA brand blades are made with top quality materials, forged with technologies that stem from traditional sword-making, sharpened with technologies that give a blade life, and ultimately finished with the craftsmanship that brings all of this together. The holders and handles that allow users to gain the full cutting performance of these high-quality blades are designed, developed, and manufactured in Japan and subjected to stringent quality checks throughout the process. OLFA is proud of the unwavering quality that goes into every product it makes.