Tempered Carbon Steel makes this the highest grade finishing trowel on the market Alloy mounting makes this more lightweight than other trowels while maintaining sound structure Ergonomic soft rubber handle is more comfortable and grippy for less hand fatigue 12” by 4” size has been found to be the perfect all around size cement trowel Lifetime warranty Edward Tools Finishing Trowel for Cement and Concrete is the highest grade cement trowel on the market as it is made with high tempered carbon steel for the best of finishes. Alloy mounting makes this more lightweight than solid steel concrete trowels while maintaining the most solid build structure. The ergonomic soft rubber grip handle is comfortable and create less hand fatigue on those long projects. The 12” by 4” carbon steel blade is the best all around size for a cement job. Edward Tools Finishing Trowel for Cement and Concrete comes with a lifetime warranty.