No tools are required. Our telescopic rod shower curtain rod adapts to the desired length and can be fixed without drilling and glue, without damaging the wall. The material of our stretch bar is made of composite steel, which does not easily rust and deform. Suitable for any wall, smooth or rough e.g. ceramic wall, glass wall, white painted wall, wooden wall, marble wall, cement wall. Can be used for hanging curtains, shower curtains, clothes, towels, etc. Simple to rotate a little, adjustable rod to extend, lock, and fix it, soft and sturdy rubber grippers in the end, Installed alone within minutes, No tools, No drilling, No damage when installing our adjustable tension rod.Instruction included. Spring tension rods will be surely no problem to be used on all Wallpaper walls, Tile walls, wooden frames, Smooth or rough walls, etc. Never drop down. Rods are installed using spring-loaded tension between walls and hold strong with clear rubber end grips (clean installation). Good spring shower curtain rod. It can be easily disassembled when not in use, environmentally friendly, and durable. The telescopic rod holder is made of high-quality stainless steel material, sturdy and durable, and not easy to rust or break. It is a complete accessory and can be installed with the handle or hooked up and down on any flat surface. Sizes: M -Rod Length: 43 - 74cm (Total Size: 47 - 78cm) L - Rod Length: 62 -112cm ( Total Size: 66 - 118cm)What's in the box 1 x Extendable Stainless Steel Rod Support Punch-Free Pole