... spider Material: 201,301,304,304L,316,316L The most regular material on international market about stainless steel is 201,304 ... colourwith special print, especially the PVF2 finish, is suitable for air- pollution or costal area. The size:100mm,120mm,150mm,160mm ... :4arms,3arms,2arms,1arms (includes long and short) Spider types: regular spider, handrail usage spider, fin spider You could order the ...