Grip-Rite Stone Wool Insulation Knife features a 420-grade stainless steel blade with a serrated edge that ensures superior cutting performance specifically designed for insulation materials. This knife is the tool for cutting ROXUL stone wool insulation, making it an essential addition to your toolkit. The plastic handle is ergonomically designed for comfortable use by both right- and left-handed users, providing versatility and ease of handling. With outstanding corrosion resistance, the blade maintains its sharpness and durability over time. The blade measures 7.9 inches in length and is 1mm thick, ing precision and control during cutting tasks. This product is packaged with a hang tag and includes one knife per package. Model Number: GRKNIFE