Stanley's 1991 extra heavy-duty utility blades are designed for cutting thick, dense sheet materials in fixed blade knives only.
| Applicable Materials | : | Ceiling Tiles, Drywall, Wallboard |
| Includes | : | (2) Holding Notches |
| Length | : | 2-7/16 in |
| Material | : | Carbon Steel |
| Number of Points | : | 2 |
| Suitable for | : | 1UK33, 2TJ71, 2TJ72, 2TJ73, 4A804, 5C947, 4YR09 and 5MW90 Utility Knives |
| Thickness | : | 0.035 in |
| Width | : | 3/4 in |