The Stanley 1992B blades are heavy-duty, general purpose blades, which fit all standard Stanley knives. The trapezoid shaped blades are highly resistant and reversible. These blades are ideal for carpet, vinyl and any other material requiring a stiffer and stronger blade. Specifications: Blade length: 62mm. Blade thickness: 0.65mm. Blade height: 19mm. The Stanley STA198460 1992B Knife Blades are supplied as a twin pack, each containing 10 blades. STA198460