These Stanley 2-11-921 knife blades are designed for heavy-duty cutting tasks in professional and trade environments. The pack includes 10 durable, trapezoid-shaped blades that provide reliable performance when working with materials such as carpet and vinyl. Each blade features a robust 0.65mm thickness and a 19mm height profile, engineered to maintain a strong edge during demanding use. With a 62mm length, these blades are compatible with all standard Stanley utility knives. The reversible design allows for double the usage per blade, contributing to efficient workshop maintenance. These blades are intended for use by persons aged 18 years or older.