Boat Hull Scraper specifically designed for in the water boat bottom and hull cleaning Comfortable Heavy Duty Marine Grade Scraper for scraping barnacles and other hard growth off your boat hull, props, rudders and running gear Multi Purpose Scraper with rounded corners. All in one design for propeller shafts up to 4" diameter. Pick for cutlass bearings and intake screens Made in USA; Scraper blades are 301 Stainless Steel 1/2 hardened for heavy duty use Over sized ABS plastic safety scraper grip, UV stable handle, safety yellow color scraper tool with lanyard to prevent loss. This is a specifically designed heavy duty boat hull and boat bottom scraper. The blade of the “Dirty Bird” boat hull scraper has rounded corners so it will not gouge fiberglass, bronze or nibral. The pick or “beak” is used for cleaning the leading and trailing edges of cutlass bearings as well as screens and raw water intakes. The elliptical notch allows optimized scrapping of different size prop shafts. The "Dirty Bird" scraper is constructed from high quality US materials; hardened stainless steel and injection molded ABS plastic. ABS is UV stabilized for long life outdoors. All product and materials made in the USA.