Type A: bead connectors - about 6x2x1.5mm 20pcs, bead chain - 1.5mm, about 10m/roll 1 roll.
Type B: Bead connectors - about 7x3x2mm 20pcs, bead chain - 2mm, about 10m/roll 1 roll.
Type C: bead connectors - about 9x3x2.4mm 20pcs, bead chain - 2.5mm, about 10m/roll 1 roll.