Suction Cups with 4.5mm Side Pilot Hole. 64mm x 10 pack
These Adams large suction cups have a side pilot hole measuring approx. 5/32" (4.5mm) which travels all the way through the suction cup neck to the other side.
Adams 64mm diameter suction cup is rated to hold 7 pounds (3.2kgs) in weight and fixes to a flat, dry, clean smooth/slick, non textured, non-porous surface like glass, mirrors, glossy plastic, glazed ceramic tiles, car body work etc. To remove or re-position, use the Adams quick release tab.
Be sure to read:- Why Adams Are Best.