Easy Finish: The precise knurled adjustment wheel allows for adjustable curved use on complex shapes, ensuring smooth, professional-quality polishing results with ease. Wide Application: Delivers consistent results on wood and metal, supporting various grits, with broad material compatibility for optimal sanding efficiency. Extended Comfort: The ergonomic handle with integrated grip and anti-slip finish provides a firm and detailed hold, ideal for performing demanding sanding jobs without discomfort, even after hours of continuous use. Improved Grip: The advanced adhesion layer prevents material slippage, maintains ideal sandpaper positioning, and effectively minimizes loss of sanding efficiency. Dust Removal: Multi-hole suction technology enables dust-free sanding while preventing clogging to maintain optimal performance and increased tool durability.