Accurate hinge clearance control: Precisely aligns residential and commercial doors, reducing noise and wear with ease. strength steel construction with ergonomic rubber grip: Durable for long use and comfortable to hold, helping reduce fatigue while working on a variety of hinge types. Wrenches in 4 sizes: Four wrench sizes cover a wide range of hinge adjustment needs, suitable for both DIY repairs and professional work. Eliminates uneven gaps for smooth operation: Ensures consistent, precise alignment to prevent door and cabinet issues and deliver clean, flush fits. Use scenarios Home door tuneups: Correct rubbing or misaligned interior doors to restore smooth swinging and quiet operation. Cabinet door alignment: Finetune kitchen, bath, or storage cabinet doors to sit flush and open with ease. Commercial maintenance: Service multiple doors with different hinge types in offices or storefronts, maintaining consistent performance and reducing wear.