3 Pairs of Metal Bra Under Wires- Size XL 3 Pairs of Metal Bra Wires. Perfect for making a new one, repairing a defective one or even corset creation. Good for Students as well as Professionals. Size Extra Large. Ideal for corset making, bra making - students or professional. Size XL Metal: Wire arch depth 3.7" (10 cm), Width point to point 7" (17.5 cm). Full curve length 11.5" (29 cm).