Hillman Seamless Steel Spacers (1/4 in. I.D. x 3/8 in. O.D. x 1/2 in. Length) 880414 - The Home Depot
200pcs Loose Spacer Beads, 4mm Stainless Steel Round Seamless Spacer Smooth Beads for Necklace Bracelet DIY Jewelry Making
600pcs 14K Gold Beads,Seamless Gold Round Beads,Brass Loose Beads,Durable Spacer Beads That Do Not Fade Easily,Gold Beads for Bracelet Necklace Making
6 Design Stainless Steel Seamless Spacer Beads Positioning Spacer Buckle DIY Leather Rope Bracelets Jewelry Accessories BXGA058 - AliExpress
925 Sterling Silver Spacer Beads 36pcs Round Smooth Beads 3mm 4mm 6mm Small Bracelet Beads Long-Lasting Seamless Beads for Jewelry Bracelet Necklace Earring Hole 0.9-1.6mm