Material: 40mm/M4x10mm | Size: 8pcs 40mm DIYexpert Suction Cups Incl. Knurled Nut Clear - Package contains suction cups, incl. The same number of knurled nuts can be used quickly and universally. Removable without leaving any residue. Strong grip thanks to soft PVC suction cups. Install on smooth surfaces. Please clean carefully beforehand. Application examples: + All kinds of sign hanging: office signs, bus signs, advertising posters+ In mobile homes: for light installations+ In kitchens or bathrooms: as towel racks for soap dish compartments in the shower | What are your thoughts? Easy to understand, elegant, durable and innovative: this is what differentiates the product from the DIYexpert brand. Become a do-it-yourself expert. Starting from scratch makes you happy and saves money.