Suction Cups for Posters with Clear Thumb Screw. 32mm x 250 pack
 These suction cups with thumb screws, fix display boards up to 7.5mm in thickness.
Each 32mm diameter Adams suction cup is rated to hold one pound (0.45kgs) on glass or any other flat, clean, dry, slick/shiny non porous, non textured surfaces like mirrors, glossy plastic and glazed ceramic tiles. Technical drawings are available by clicking the images above.
To fix a thin board, snip a little off the end of the thread with a finger nail cutter.
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