TURUM’s Gap Cleaning Brush Set solves a specific, annoying problem. It’s for the grime you can see but can’t reach with a sponge or a rag. This five-pack provides the right tool for the tracks, grooves, and seams that collect dirt in every home.

The hard, durable bristles are the point. They have the stiffness to dislodge packed dust from a window track or scrub dried soap scum from tile grout. The plastic handle is simple and contoured, giving you enough leverage to scrub without straining your hand. You’ll use these for a sliding door track one minute and the gaps around a baseboard the next.

Build quality is straightforward and functional. The brushes are rigid and won’t splay under pressure, but the plastic construction means you shouldn’t expect them to survive being twisted or pried. For their intended purpose—targeted, abrasive cleaning in tight spaces—they are exceptionally effective and simple to rinse clean.