... , and the advanced inspection method, high quality for spider stainless steel spider Material: 201,301,304,304L,316,316L The most ... regular material on international market about stainless steel is 201,304,316; Finishing: Mirror finishing; satin finishing; ... ,210mm,250mm,300 mm Arms:4arms,3arms,2arms,1arms (includes long and short) Spider types: regular spider, handrail usage spider, ...