OLFA Blade Rotary RB60-1 60MMChoose OLFA's largest rotary blade for more heavy duty projects The blade cuts up to eight layers of fabric at a time This blade is super sharp right out of the package and stays that way longer, thanks to its high quality construction Good For: cutting strips, multiple layers and finishing quilts prior to binding Cuts fabric, paper, tarp, vinyl, upholstery, leather and other thick textiles