Pad sizes are 20mm, 25mm or 30mm. Silver Plated Round Brooch Backs. As with most brooch backs these are not suitable for soldering but can be glued onto. ( with a 20-25mm brooch component on the back).
100 pcs 2mm crimp beads TINY gold plated silver plated ROUND jewellery findings
Silver Plated Round Ball Spacer Beads Jewellery Making 2mm 3mm 4mm 5mm 6mm 8mm
2-8MM Smooth Spacer Iron Metal Beads Silver Plated Round Seamless
500 X ZINC ALLOY ANTIQUE SILVER PLATED ROUND RIDGED BEADS 4X3MM
250 x 2mm Silver Plated Round Crimp Beads bead Jewellery A27 Free UK p+p
500 Pcs - 1.5mm Silver Plated Round Crimp Beads Jewellery Findings Craft A171