MARSHALLTOWN The Premier Line 54SD 5-Inch by 1-1/2-Inch Heavy Duty Margin Trowel with DuraSoft Handle Forged from a single piece of high carbon steel Heavy duty trowels have a thicker blade Resilient DuraSoft handle provides a soft feel, reduces fatigue, and offers excellent durability Integral finger guard protects against calluses, heat, and cold U.S. Patents - 5,327,612 & 5,446,941