Materials: Handrail: ABS S-cup: PVC Spring/screws: stainless steel. Features: 1. No drilling or screw needed, quick and easy to install without tools. 2. CE marked, SGS testing, FDA approval. 3. Patented safety indicators can timely detect its adhesiveness. 4. Color can be as required. 5. Support assist over 40KG, Max100KG, depends on force direction. Dimensions: Model Length S-Cup Dia BM-SCGBX4 409mm 93mm BM-SCGBX5 511mm 93mm. Individually packed in retail box, 3pcs /ctn.