Attention: This tension rod holder only available for tension curtain rod, if your rod can’t fix on wall at all, and you want to place it directly on this holder, we do not recommend you to use this rod holder Protect Your Wall from Spring Tension Rod -- Placed between wall and tension rod head, the spring curtain rod holder efficiently protects your wall from the hardness of the pressure-mounted rods, making repairs to the wall a thing of the past. Fit Tension Rod Ends up to 2.15 Inches -- With wider opening size of 2.15 inches, the adhesive curtain rod bracket is specially designed for most sizes of rod head. If your want to secure your spring tension rod and save any scuffs, scratches or dings to your wall, you can use it with confidence. Compact Design, Applys to Most Surfaces -- The Shower tension rod holder works with almost all the common surface, such as tile, marble, wood, painted wall, but except textured and rough surfaces. Super Easy to Install -- Just clean and dry the applying surface, peel off the backing film of the tension curtain rod holder and stick it to wall , then the rod holder will be reliable to stabilize and secure your spring curtain rod permanently. Product Includes: 4 spring tension rod holders. Venupple Spring Tension Rod Holder, 4 Packs Transparent Shower Rod Bracket No Drilling, Adhesive Tension Curtain Rod Retainer Shower Curtain Rod Holder, 2.15 inches