"If you need extra reach when cleaning your pool, boat, personal watercraft, tub, and beyond, reach for the Drillbrush Power Scrubber Extended Reach Boat Kit. This 3-brush set with 5"" extension kit works wonders on a variety of water-related objects and surfaces. It's great for boats, pools, canoes/kayaks, hot tubs, plastics, and more. The 4"" flat brush easily cleans large, flat areas such as pool tiling or boat hulls. Tilt it 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. 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. Drill brush set with extension kit 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 1/4"" quick-change chuck for use with any Drillbrush with quick-change shaft 5"" extension kit 4"" flat brush for large, flat areas or stubborn grout Bullet-shaped original brush for curved spaces and tight corners 2"" detail brush for the finishing touches"