Looking for a robust and reliable workhorse EDC in a refined and stylish frame? The 581BK-04 Barrage brings a handsome, dressed up option to daily carry utility with Redstone Richlite handle scales, anodized burnt copper thumb stud and dark copper PVD pocket clip, CPM-S30V stainless steel blade with a Cerakote finish, and boosted Axis Assist rapid-release opening. Whether youre rolling up your sleeves to get to work or rolling them down for a trip into town, the 581BK-04 Barrage meets the occasion. Over time, Richlite, a paper composite material, will develop a natural patina over time, altering the original color of the material. “Patina is a natural occurrence in the product that can either darken or lighten depending on exposure to light.