<br><b>Parameter: </b> <br>Material: Stainless Steel <br>Main Color: Silver <br>Model: JB-S2372-A <br>Finish: Brushed Finish <br>Recommended Maximum Load: 11lb <br>The Diameter Of Center Post: 5/8" (15.9mm).   <br>The Diameter Of Suction Cup Base: 2.56" (65mm) <br>Package Weight: 0.48 lbs (0.22KG) <br>Installation Method: Suction <br> <br><b>Packaged Included: </b> <br>Waterproof Vacuum Suction Cup Hook Holder *2 <br>Installation Instructions *1 <br> <br><b>Installation Steps: </b> <br>1. Check to make sure the surface you applied the suction to is clean and smooth. <br>2. Hold the PVC base, rotate the stainless steel knob cap in an Anti-clockwise manner until it <br>cannot be rotated, make sure the suction cup is in the pre-installed state. <br>3. Remove the plastic protective film. Make sure the PVC base is dry and clean. Place the <br>suction cup perpendicularly and press firmly to exhaust the air. <br>4. One hand hold the center of the suction cup, the other hand tighten knob cap in a <br>clockwise manner until fully tight to ensure successful installation. <br> <br><b>How To Remove: </b> <br>Twist the knob cap in an Anti-clockwise manner until can not rotate. Pull up on the release <br>tab to release the suction and remove. Wash PVC base bottom with water, <br>reuse it after drying. <br> <br><b>Matters Needing Attention: </b> <br>1. Overload-maximum weight 5KG (11lbs). <br>2. Suction cup work by the vacuum but the sticky PVC base which can help you place the <br>suction cups easily. <br>3. It would not hold unless the surface is sealed to a point of stopping all air leakage. Please <br>check again whether the wall is suitable for installation. <br>4. Be sure to follow the instructions on mounting. It does make a difference. Search “Suction <br>Cup Series Installation Step” to watch more installation videos on YOUTUBE. And there is an <br>instruction sheet included plus detailed instructions come with the suction.