VALYRIA 50pcs Stainless Steel Silver Large Hole Spacer Beads Jewel DIY Finding (9mmx4mm) Material: 304 Stainless Steel Size:4mm Dia,hole size:2mm,thickness:1.3mm Size:7mm Dia,hole size:5mm,thickness:2mm Size:9mm Dia,hole size:6mm,thickness:4mm Hassle-free return & exchange policy