... & 304 2.Surface: : satin, mirror ,or pearl sand finish 3.Great quality Curtain wall glass spiderProduct name: spider/spider fitting ... certification 2) Material: stainless steel 316, 304 and 201. 3) Craft: precision casting. Lost wax injection, silica sol based ... 160mm, 200mm, 220mm, 250mm, 300mm. 7) Singe way spider, 2-way spider, 3-way spider, 4-way spider are available We could also make products ...