This is an extender hook for bras that allows you to adjust the underbust size. It's a convenient item for adjusting the size when your weight or body shape changes. It's economical because you can continue to use your bras even if your size changes. Use it as an underbust hook or underhook. Set of 6 As shown in the first photo. Size: 5cm wide, 8cm high 3-row, 4-hook Colors: Red, Black, White, Pink, Skin tone, Blue Individual sales are not available.