Rugged utility knife has a high carbon stainless steel blade that is a hefty 3.56 " long. Handles are designed with textured Zytel scales over a stainless steel liner inter-frame. It has a removable Teflon plated stainless steel clothing/gear clip. Closed length is 4.63" and weight is3.7 oz. / M16-12: Combo edge, Length: blade 3.13", closed 4.25", Wt: 3.7 oz / M16-13: Combo edge, Length: blade 3.56", closed 4.63", Wt: 3.7 oz.