Havalon's world class surgical quality blades have defined what users expect in a replaceable blade knife. The over 40 years of knowledge utilized to make our blades, was focused to make the Piranta-ECHO, our first surgically inspired Havalon handle. The ECHO is made of surgical quality stainless steel so it's strong, light, and easy to keep clean. It comes with a convenient holster designed to hold the handle, extra blades, a blade remover, and a blade holder. designed to hold the handle, extra blades, a blade