Areas of use: Fixing signs, decorations, bread makers, shower trays, rattan furniture, towel holders, fairy lights, and home or motorhome decorations. Versatile: Mounts to most smooth, clean surfaces. Provides strong hold on glass. Simply clean the surface, press the suction cup in place, and it's secure. Made in Germany: Produced with high quality standards in a small family-owned business. Eco-friendly benefit: Local manufacturing helps reduce environmental impact. Simple installation: No drilling, no screws. Just press to attach. Removable without residue: Leaves no adhesive marks, unlike adhesive tapes or films. Dimensions: Suction cup diameter: 30 mm, head diameter: 15 mm. Thread: M4 x 10 mm. Package includes: 8 suction cups and 8 knurled nuts. Note: Due to differences in monitors and lighting, the actual color may vary slightly from the image. A 1-3 cm measurement variation may occur due to manual measurement. (1 inch = 2.54 cm)