Stainless Steel Circular Pendant With Bagua Eight Trigrams And YING YANG Chineese Symbols THIS CIRCULAR PENDANT HAS THE "BAGUA EIGHT TRIGRAMS" CHINEESE SYMBOL WITH YING YANG SYMBOL IN THE CENTER THE "BAGUA" SYMBOL WITH 8 TRIGRAMS IS USED IN TAOIST COSMOLOGY TO REPRESENT THE FUNDAMENTAL PRINCIPLES OF REALITY IT IS MANUFACTURED WITH STAINLESS STEEL IN HIGH QUALITY 316L SURGICAL STEEL (NON ALLERGIC MATERIAL) PENDANT DIMENSIONS: DIAMETER: 1.375" (35 MM) PENDANT HAS A FIXED BAIL TO USE WITH A CHAIN UP TO 3/16" (5 MM) THICK