Amazon.com: MegaPet 1000pcs 4mm Metal Spacer Beads 304 Stainless Steel Smooth Round Rondelle Loose Beads for DIY Bracelet Necklace Jewelry Making Crafting with 1.5mm Hole : Arts, Crafts & Sewing
Amazon.com: 100pcs 4mm (0.16 Inch) Small Antique Bronze Pumpkin Corrugated Round Beads Metal Spacer for Jewelry Craft Making CF91-4 : Arts, Crafts & Sewing
uxcell 4mm x 7mm x 500mm Brass Pipe Tube Round Bar Rod: Amazon.com: Industrial & Scientific
Amazon.com: UNICRAFTALE About 100pcs Tiny Round Metal Beads 2mm Small Hole Ball Spacer Beads 4mm Dia Stainless Steel Bead Loose Beads Metal Spacers for Jewelry Making Findings DIY Stainless Steel Color :
Amazon.com: uxcell Carbon Fiber Round Tube 6mm x 4mm x 200mm 3K Roll Wrapped Glossy Surface for RC Airplane Quadcopter 4Pcs : Industrial & Scientific