Pandahall 20g (About 650pcs) 4mm Silver Tone Flower Brass Spacer Bead Caps Jewelry Making Findings Size: about 4mm in diameter, hole; 1.2mm; about 650pcs/20g. Metal Color: Silver; Material: Brass Usage: Bead Caps Petal Style: 5-Petal Can direct the attention focus to specialty accent beads in your jewelry designs, also be a great help when mixing small bead spacers with large-hole beads.