Looking like a donut with a small bite taken out, this metal bead in Copper Plate is intended to wrap its arms around a crimp tube and hide it inside.
CRIMP COVERS Gold, silver, brass, antique brass, copper, rose gold, gu – Bead Boat
Crimp Cover 3mm, Copper, 100 per Pack - TierraCast, Inc.
Beadsmith 3mm Crimp Covers - Copper Plate/Rose Gold Colour
Crimp cover beads used to conceal crimps or knots. Antique copper 3mm 100 pieces
Crimp Cover - Antique Copper 3mm (100pc)
3mm Antique Copper Crimp Covers, Crimps
3mm Gold-Filled Crimp Cover
donut
Rondelle Crimps 2mm x 1.2mm - Gold Plated
Findings-3mm Crimp Cover-Silver-Quantity 144 - Tamara Scott Designs
Dimensions : 3mm dia. (closed) Metal type : Copper Jewelry Type : Crimp beads & bead covers
50pcs Copper Open Crimp Bead Covers, 3MM, by CRAFT WIRE
3mm Crimp Cover, plain: Antique copper - The Bead Hold
Wholesale Iron Crimp Beads Covers
25 Pieces 3mm Crimp Covers 14K Rose Gold Filled Crimp Bead Cover F59RGF
Crimp Bead Covers, Corrugated 3mm Copper (20 Pieces) — Beadaholique
Genuine Antiqued Copper Crimp Bead Covers 3mm (50)