This CutPro® sleeve with Hero™ technology is made of a high-performance, cut-resistant material that achieves exceptional cut resistance and comfort levels. The proprietary blend of ARX® aramid, stainless steel, and other fibers are used for general-purpose work applications to provide cut and abrasion resistance when working with sharp objects. The 9318K7 is an 18-inch plain sleeve that will help protect your arms in rugged environments. Are you looking for the best cut-resistant sleeves? Look no further than MCR Safety!