Material Type:40mm/M4x10mm | Size: 8 pieces DIYexpert suction cup in 30mm or 40mm or 50mm with thread M4x6mm or M4x10mm incl. knurled nuts transparent - pack contains suction cups incl. the same number of knurled nutsCan be used quickly and universally. Removable without leaving any residue. Strong hold thanks to the soft PVC suction cup. Installation on smooth surfaces. Please clean carefully beforehand. Application examples: + Sign hanging of all kinds: office signs, signs in the bus, advertising posters + In the mobile home: for attaching light objects + In the kitchen or bathroom: as a towel holder, for attaching a soap dish in the shower cubicle | What"s your idea? Easy to understand, elegant, durable and innovative: This is what distinguishes products from the DIYexpert brand. Become a do-it-yourself expert. Self-made makes you happy and saves money. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.