About This Professional Dual Suction Leveling System Features 2 powerful vacuum suction cups with quick‑release levers for secure grip on smooth surfaces; 20‑inch span / 515mm length provides stable support for large slabs during installation. Precise Adjustable Alignment & Leveling Center joint with rotating knob enables accurate gap, height, and corner alignment; delivers flush, seamless joints for countertops, stone slabs, glass, and tile work. Heavy‑Duty Industrial Construction Built with metal frame, reinforced components, and durable rubber pads; designed for professional jobsite use, wear‑resistant and stable under frequent operation. Wide Compatibility for Multiple Materials Ideal for granite, marble, quartz, stone slabs, large glass panels, and smooth countertops; perfect for installation, seam joining, repair, and corner alignment projects. Easy Operation & Efficient Installation Ergonomic design with simple manual control; no complex setup required, helps reduce labor time and achieve contractor‑grade finish for DIY and professionals. Overview Material : Metal, Plastic, Rubber Brand : LOZLIN Item dimensions L x W x H : 14.57 x 6.69 x 5.91 inches Color : Blue Right Angle Style : Blue Right Angle Item Weight : 2.49 Kilograms Number of Packs : 1 Number of Items : 1 Manufacturer : LOZLIN