Key benefits Reaches and removes dirt where ordinary brushes cannot: the Lshaped brush head is designed to access narrow, recessed, and awkward angles for a more thorough clean. Cleans ultranarrow gaps down to 0.1 cm: engineered specifically for very tight seams so fine dust and debris no longer hide in keyboard gaps, window tracks, or sliding door channels. Durable, effective bristles: density, tough ultrafine fibers or nylon bristles penetrate deeply and scrape away grime without damaging surfaces. Main features Lshaped brush head: allows the bristles to wrap around corners and enter confined spaces for allaround contact. Gap compatibility: optimized for 0.1 cm (0.1) openings and similar narrow grooves. Material options: density ultrafine fibers or nylon bristles for strong abrasion resistance and longlasting performance. Versatile cleaning: works on narrow seams, tricky corners, and irregular surfaces. How it solves common problems Tight seams and crevices: bristles are fine and dense enough to reach inside 0.1 cm gaps and dislodge embedded dust. Awkward angles and irregular surfaces: Lshaped head and flexible bristles conform to uneven shapes to provide full coverage. Deepset grime: fiber/nylon bristles penetrate and scrape, removing stubborn dirt that surface wiping leaves behind. Typical use scenarios Keyboard maintenance: clean between keycaps and around switches to remove crumbs and dust. Window and door tracks: remove accumulated dirt in window rail grooves and sliding door slides for smoother operation. Household grooves and channels: clean small appliance vents, drawer runners, and other narrow channels where dust gathers. Performance and compatibility Function: targeted gap cleaning and scrubbing for narrow and irregular spaces. Size: specifically effective for gaps as small as 0.1 cm (0.1). Material: choice of density ultrafine fibers or resilient nylon bristles for deep penetration and scraping action. Safe on surfaces when used properly: designed to clean without excessive abrasion; test on sensitive finishes if uncertain. Why choose this brush Purposebuilt for tiny gaps and hardtoreach areas that standard brushes miss. Combines an Lshaped head with fine, tough bristles to deliver precise, effective cleaning. Practical for regular maintenance of keyboards, window tracks, sliding doors, and similar narrow spaces.