HS1418RK BULLDOG KIT: Includes replacement blade, bolts, nuts and washers DURABLE STEEL BLADE: Provides long life in mortar and tile removal STABLE BLADE ATTACHMENT: Features locking bolt-and-nut fasteners for secure blade attachment and resistance to vibrating loose WIDE 5 IN. BLADE: Delivers 25% more material removal than standard blades LONGER 11 IN SHANK: Allows for more upright scraping and greater ergonomics VERSATILE APPLICATIONS: Can be used for tile removal, mortar removal, and laminate floor and laminate glue removal