Strong material: Deformationresistant, wearresistant stainless steel construction provides durability for longlasting, sturdy, reliable use in any project. Reduced effort for prolonged use: Designed with user comfort in mind, the sovereign's weighted structure minimizes fatigue, delivering a firm yet comfortable grip for daily or intense tasks. 90 Rows Tool Right Angle Leveling Device: 90° leveler; ergonomic, multipurpose tool for wall painting, carpentry, mobile jointing, and masonry seams. Wide range of uses: Supports projects requiring precision grouting of tiles, accurate alignment of floors and walls, and gypsum ; multitrade usability. Use scenarios: Tile installation and grout line alignment for kitchens, bathrooms, and backsplashes. Wall and floor leveling during plastering or painting to ensure accurate alignment of edges. Masonry seam jointing and gypsum requiring precise 90degree alignment.