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The 90° Stealth Seamer™, Auto is the most versatile tool on the market for creating high-quality perpendicular seams without the hassle of straps or bar-clamps. The 90° Auto is the ideal solution for waterfall edges, mitered aprons, butt-joints, and compound corners. It is the only 90° seamer that can also be inverted for inside corners.


The product’s proprietary non-marking cups feature our FTS™ (Flexible Triple Seal) technology that locks-in vacuum and provides optimum hold—even on textured and leathered materials.

90° Stealth Seamer™, Auto

    • Consistently create high-quality, expertly aligned perpendicular seams
    • Ideal for waterfall edges, mitered aprons, butt-joints, compound corners, and inside corners
    • Non-marking, proprietary synthetic* rubber cups are highly-durable and feature FTS™ technology for optimum hold, even on textured materials
    • FTS™ vacuum cup technology for optimum hold on textured and leathered materials
    • Knurled rollers and fine-tune levelers help align and dial-in precise angles
    • Counter-pressure leveler overcomes lower outswing of vertical pieces
    • Includes Anchor Cup Attachments to accommodate waterfall edges or other large pieces
    • Powerful, compact pump maintains max pressure for entire system
    • Runs on AC power or AA batteries for any situation
    • Includes: Two 90° Stealth Seamer™, Auto units and one 25 yd sample roll of Kung Fu Tape®
    • Kung Fu Tape® secures the waterfall piece and tightens the seam
      • Unique serrated edges for easy tearing
      • Leaves no residue upon removal up to 10 days after application
      • Strong but flexible and conforms to edges and corners
      • Stretchy - holds seams tight (acts like a clamp)
      • Gentle on natural stone and sensitive materials
      • Leaves no ghosting or shadows on your material
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