♦ REPLACEABLE - This blade of this 45mm rotary cutter is replaceable. Each rotary cutter set also comes with 7 extra replacement blades – 4 for straight lines, 2 for curve cutting and 1 for dotted line cutting. | ♦ SAFE - Your safety is our top priority. This handy rotary cutter is designed with a safety button to lock the blade. Even a kid can use this rotary cutter tool rotary cutter leather safely under the supervision of his/her parents! | ♦ PRECISE - The 45mm blades are made of SKS-7 steel, sharp and hardly dull. With different replacement blades, you can cut multiple layers of fabric, paper or other materials precisely with the help of AGPtEK sewing cutters. | ♦ EASY - This 45mm rotary cutter with blades is easy to use. Its anti-slide handle is ergonomically designed to reduce joint fatigue. AGPtEK sewing cutters are also easy to replace blades with the safety button. | ♦ VERSATILE - AGPtEK 45mm rotary cutter with blades can be assembled to either side of the rotary cutter tool, making it great for both right-handed and left-handed users. Our sewing cutters rotary cutter leather help you to get precise cutting on multiple layers of fabric, paper, vinyl, leather and more.