Feature: Slot and Hooks: 21mm/ 0.83inch slot, Suitable for most G1/2-Type Handheld showers, the slot is 90 degrees adjustable. Applicable: The strong adhesive is applicable for a variety of smooth walls, marble, metal panel, smooth wood, paint plate, ceramic tile, smooth glass, etc.. Tool free installation: No drill needed, won't damage your wall because it has strong adhesive, you only need to stick it. Specification: Quantity: 1 packs. Material: Aluminum. Color: silver. Size: 95mm/3.75 length, 75mm/2.95 inch width. Note: Please make sure surface is clean and dry before you install the shower holder.