1.spiders, glass spiders, 2.materials:Stainless steel 304, Stainless steel ... PSS, SSS 4.4-paws 5.durable 4 way spiders, glass spiders, Material : stainless steel 304, stainless steel 201.Finish ... 300mm hole distance.very good quality and best priceAll the glass spiders have been tested by our professional testing department ... (3)KY-58c(4)KY-58D(5)KY-58E Glass spiders ;glass lifter,wall hardware KE-2501