Stiletto FH10C-P 10 oz. Finish Hammer with 14-Inch Curved Poly Fiberglass Handle 10 oz. Poly is the lightest, most powerful trim hammer available Stronger handle, 35% stronger than Hickory Working women in the building industry will find they are more easily able to manipulate these lighter tools and drive nails like a seasoned carpenter. These features make these tools ideal for the Professional Framer, Remodeler, and Finish carpenters With common steel hammers, up to 30% of the kinetic energy created by the user's swing can be lost to recoil vibration, which can be transferred down the handle to the users arm.