standard routels, professional staff, advanced production line, reasonable price, and various type for all kinds of spider stainless steel routel Material: we usually offer the routels with the standard material :SS201,304,304L,316,316L,321,etc.,Finishing:Mirror, Satin or CustomizedStainless steel for tempered glass, laminated glassDia of threaded ball bolt:M12-M14Thickness of steel disk: 5mm Dia ...