GX20249 Durable Material: Our lawn mower blades are made of sturdy steel that is not easily worn, bent or broken. This can effectively help professional horticulturists or gardening enthusiasts easily improve work efficiency Upgraded Structure: The structure of the mower blade has been carefully optimized to enhance overall balance and prevent vibration during operation, effectively protecting your lawn mower from damage Humanity Design: Sharp mower blade and powder coating not only achieve efficient and uniform cutting effects without leaving grass debris, but also protect the palm during installation and enhance outdoor durability Wide Adaptability: ELITEWILL lawn mower parts compatible with most John Deere 42" Deck Models: L100, L105, L107, L108, L110, L111, L118, Sa bre 1642HS & 1742HS (2002)-PC9096, 14.542GS-PC9095, Sabo 108-14.5, 108-17HS-PC9233. Replaces OEM #'s GX20433，GX20249，GY20567，M128485 Bolt on Installation: Our lawn mower part is very convenient to install on your lawn mower, and each package comes with installation instructions for all hardware and accessories. Help you create a organized garden, farm, or courtyard environment Upgrade your mower's performance with these premium replacement blades designed for optimal cutting efficiency. This set of three heavy-duty mower blades features durable steel construction and precision-engineered cutting edges that deliver a clean, even cut across your lawn. Each blade includes a star-shaped center hole for secure mounting and two additional mounting holes for perfect alignment. The blades' aerodynamic design helps create the proper lift for superior grass discharge and mulching capability. These replacement blades are ideal for maintaining a professional-looking lawn while extending the life of your riding mower. Regular blade replacement ensures consistent cutting performance and helps prevent uneven mowing patterns. Compatible with various 42-inch deck mower models - verify measurements and mounting specifications before purchase for proper fit.