These cutters have blades hardened to a Rockwell C rating of 57, the result is the hardest, sharpest blade you can buy. The body retains the classic XIKAR shape and features a lightweight, nylon-fiberglass composite in an assortment of metallic colours and now, carbon fiber look and mesh patterns on black. Xi cutter blades are made of high-quality 440 stainless steel with an HRC of 57. All Xi cutters are the same ring gauge: they will cut a 54 ring gauge cigar in half. Depending on how much cap you cut, they will cut up to a 60 ring gauge cigar. Don’t forget about the XIKAR Lifetime Warranty!