Versatile Cleaning Tools: Our hard bristle crevice cleaning brush is perfect for tackling all kinds of small nooks and crannies. From bathroom faucets and corners to shower door tracks and window tracks, and even kitchen stove tops and counters. Among them, green and blue crevice brush are more suitable for computer keyboards, window track, sliding door chutes and other places with grooves. Stovetop Cleaning Brush Set: 3 different brushes with varying materials, offering different cleaning intensities (brass > stainless steel > nylon), catering to various cleaning needs. The brass brush effectively tackles stubborn stains, gas stoves, and pot bottoms. The stainless steel brush is great for rust and grease removal, as well as old stains.