Easy Installation: The flat box handle has standard sizes, and equipped with hand screw, washer, and wrench, making it easy to install and operate. For Drywall Flat Box: This handle is mainly installed and used on drywall flat box, and suitable for various wall painting and finishing projects. Fine Workmanship: With exquisite workmanship, the handle has a glossy finish and can be used safely, and improve the efficiency of wall finishing. Angle Adjustment: After adjusting to the needed angle, you can hold down the end of the handle with your hand to lock the head at any comfortable angle. Aluminum Alloy: The handle is made of anodized aluminum alloy with carbide coating, has good wear has a long service life.