If you’re looking to purchase high-quality, affordable replacement circular-flat multi-tool blades, buy them from Fitz All Blades. These blades are compatible with other branded oscillating multi-tools. Their flat-edge design allows them to make a variety of cuts without causing damage. These blades are perfect for demolition, remodeling, plumbing, and metal cutting. You can also use these blades for scoring thick materials and cutting thin materials.