How Do I Increase the life of the 24V-GT10 Blades? The 24V-GT10 blades are not designed to be used on grass and weeds. The blades will wear down quickly when hitting hard surfaces so be careful when edging and trimming near hard surfaces Related articles Where Can I Buy Replacement Blades for my 24V-GT10 Trimmer? What tools do I need to install the SharperBlade? How do I assemble my 24V-PHT17-LTE? How many blades come with the 24V-GT10? How do I assemble my TJW24C?