Features: Precise 90 Degree Positioning:Adjustable design ensures accurate 90degree /270degree alignment for stone edges, solving manual splicing angles deviation issues. Ideal for high precise scenarios like glass countertops and feature wall. Vacuum Suction Fixation :High strength suction structure enables not damage installation without drilling, protecting delicate surfaces like glass and stone slabs from scratches during leveling tasks. Wide Compatibility:Optimized for stone/glass edges splicing, accommodating varying thicknesses. Overcomes traditional levelers' single limitation, boosting construction efficiency. Hand Quick Adjustment:Innovative adjustment knob allows 1mm precise calibration without tools, simplifying installation in tight space. durability Heavy Duty Structure:Reinforced engineering plastic body with metal components resists deformation, while silicone suction cups resist aging for reliability long term use on construction sites. Specifications: Component: aluminum alloy + plastic + silicone Size:Approx.450x130mm/17.71x5.12inch Suction Cup Diameter:130mm Suction Power:350kg Features: 90degree /270degree right angles fixation,Adapted to ceramic ,rock slabs/glass surfaces,Repeated use Usage scenarios: Indoor decoration Yin and Yang angles splicing, Countertop leveling, Ceramic and rock slab installation and fixation Package Includes: 1pc Adjustable Suction Cup Lifter note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.