Slide shower hook that can be attached to the handrail with one touch. Bathroom Compatibility: Yes Materials: Main body: ABS resin, hanger: Nylon resin. Finish/Color: Main body: Chrome plated, hanger: Gray. Dimensions: Φ1.2 inches (30 mm). Target nigiriver diameter: Φ 1.2 inches (30 mm). R2937, R8907CH). Target shower head type (manufacturer): G type / GROHE / No included screws: Mounting screws included.