"Need to keep your ship in shape or your pool looking pure? Make quick work of cleaning tasks of all scales with the Drillbrush Power Scrubber Cone Brush Kit. This 5-piece drill brush set serves up a variety of flat, corner, and detail brushes to help you clean smarter, harder. The 4"" and 5"" flat brushes easily clean large, flat areas such as pool tiling or boat hulls. Tilt either to a 45 angle for your stubborn grout lines. The bullet-shaped original brush gets in curved spaces such as props and the inside of a filter housing, making hard-to-reach spots and tight corners a breeze. The 2"" detail brush works great on small spots any cleaning can overlook, letting you finish the job right. The cone-shaped corner brush takes on your 90 angled surfaces and other small corners such as boat interiors, canoe benches, and anti-skid surfaces. Each brush has medium stiffness, a steel shaft with rust-resistant nickel plating, strong polypropylene plastic block for better durability, and a 1/4"" quick-change shaft for easy use in virtually any drill or impact driver. Great for DIY enthusiasts, professional detailers, and anyone looking to protect their investments, this power drill brush set lets you clean like a pro. 5-piece drill brush set perfect for marine and other water-related applications Medium-stiffness, non-scratch nylon bristles Steel shaft with rust-resistant nickel plating Strong polypropylene plastic block 1/4"" quick-change shaft for use in nearly any drill or impact driver 4"" and 5"" flat brush for large, flat areas or stubborn grout Bullet-shaped original brush for curved spaces and tight corners Cone-shaped corner brush for 90 angles surfaces 2"" detail brush for the finishing touches"