Detailed Product Description Specifications: 1) SB-8: dia. &Phi8mm x 60cm, 90cm, 120cm 2) SB-10: dia. &Phi10mm x 90cm, 120cm, 150cm 3) SB-12: dia. &Phi12mm x 90cm, 120cm, 150cm 4) SB-16: dia. &Phi16mm x 150cm, 180cm, 210cm, 240cm 5) SB-20: dia. &Phi20mm x 150cm, 180cm, 210cm, 240cm, 270cm, 300cm