XIANQI Product description Material: ABS Color:silver Size: 8*7.3cm Installation type: screw reinforcement Package content: 2*adjustable perforated shower base 1.Easy to Install- Clean Paste Metope (Suitable for Metal surface,Smooth glass,Smooth wood,Smooth tiles and so on), Clockwise Tighten. Those non-smooth surfaces such as rough wood,emulsioni paint,textured tile. 2.Adjust on PositionsPlace the desired height as you like by relocating the showerhead. 3.EASY ASSEMBLY - Wall bracket included for easy installation and firm fixation, set position and drill the holes, use a screwdriver to fix it, 5 minutes will be done 4.Main Material- The shower wall bracket is made of technical plastic ABS, light but durable. Chrome-plated surface with a cool metallic gray look that adorns your bathroom and extends the lifespan. 5.Designed for Lower the showerhead- For somebody can't reach the shower.It can adjust the higher base on the relocatable ability.BUT This style can't adjust the angle.It's pretty much in a solid fixed position.