Professional-Grade Performance: Engineered specifically for Exmark Lazer Z 60-inch commercial mowers, these heavy-duty notched high-lift blades deliver superior cutting precision and durability for demanding landscape professionals. Advanced Blade Design: The strategic notched high-lift configuration optimizes grass lifting and discharge, ensuring cleaner cuts and more efficient grass collection across varied terrain and grass types. Premium Steel Construction: Manufactured from high-strength steel alloy with enhanced hardness, these blades maintain a sharp cutting edge longer and resist wear, providing exceptional longevity and consistent performance. Direct OEM Replacement: Perfectly compatible with original Exmark specifications, these blades are a precise match for part numbers 103-6403 and 103-6403-S, offering a reliable alternative for equipment maintenance. Comprehensive Set Solution: This three-blade package provides complete replacement coverage for 60-inch cutting decks, making equipment maintenance convenient and cost-effective for landscaping professionals and serious lawn care enthusiasts. Professional-grade replacement blades designed specifically for Exmark Lazer Z 60-inch commercial mowers, these heavy-duty notched high-lift blades represent precision engineering for landscape professionals and serious lawn care enthusiasts. Crafted as a direct alternative to the original OEM 103-6403 and 103-6403-S part numbers, this three-blade set delivers exceptional cutting performance and durability for demanding mowing environments. Each blade is meticulously manufactured to meet or exceed the original equipment manufacturer's specifications, ensuring seamless compatibility with Exmark Lazer Z model mowers. The notched high-lift design provides superior grass lifting and discharge capabilities, creating a cleaner, more uniform cut across various grass types and terrain conditions. The strategic blade geometry helps optimize airflow, which means more efficient grass collection and reduced clumping during mowing operations. Constructed from premium-grade steel with enhanced hardness and wear resistance, these blades maintain their sharp cutting edge longer than standard replacement options. The heavy-duty construction ensures minimal flexing during operation, which translates to more precise cutting and reduced strain on your mower's drive system. Professionals will appreciate the consistent performance that helps maintain a manicured appearance across large commercial and residential landscapes. Specifications include: Blade Length: Precisely sized for 60-inch cutting decks Material: High-strength steel alloy Blade Type: Notched high-lift design Compatibility: Exmark Lazer Z 60" models Quantity: 3 blades per set Replacement Part Numbers: Direct match to 103-6403, 103-6403-S