Suction Cup with Thumb Screw for Window Signs. 47mm x 4 pack
 Adams suction cups with plastic thumb screws, will fix thicker display boards like foamex up to 7.5mm in thickness.
Attach to flat, clean, dry glass, or any other slick/shiny non porous, non textured surfaces like mirrors, glossy plastic, plain glazed ceramic tiles and car bodywork etc.
To fix a thin board, snip a little off the end of the thread with a finger nail cutter. Each 47mm Adams suction cup is rated to hold 3 pounds (1.36kgs)
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