Stanley Replacement Heavy Duty Blades with Dispenser feature patented Bi-Metal technology for enhanced performance and durability. These unbreakable blades stay sharp up to three times longer than standard utility blades. The convenient dispenser offers precise blade dispensing with a non-binding access lever, and the see-through body allows you to easily monitor blade levels. It also includes a built-in disposal slot for safely eliminating used blades, making it a practical solution for busy work environments.