What is the Difference between the GT10 Blades and the Sharper Blade? The GT10 Blade is primarily used for light to medium overgrown grass trimming and weed removal. Whilst the sharperblade slices through tough grass, thick thatches, and unwanted weeds. Both blades are self sharpening and without kinks, tangles, or jams! Related articles Where Can I Buy Replacement Blades for my 24V-GT10 Trimmer? When is the best time to trim hedges? How long can the SharperBlade last? How Do I Increase the life of the 24V-GT10 Blades? How do I sharpen the blades on my Hedge Trimmer?