Stainless steel fin spider SS304,SS316 stainless steel Satin or mirror Size ... etc, and such spider with PVF2finishing is suitable for air-poullted and seasider areas.Certificate:ISO9001-2000, and other documents like ... ODM are acceptable.The glass thick to fit our spider:8mm,12mm,12mm,14mm,15mm,19mm and so on ... .You could order the whole set of spider or only some parts.Your logo is available too ...