The 28 and 30 sets are of a thinner gauge wire. This includes one pair of every regular wire from size 28 to 60, Sizes 32 through 60 are of the heavy
Regular Underwire - Full Set of Wires Sizes 28-60
MJTrends: 1/4 Inch Dritz Eyelet Setter Tool
Underwire Help – Emerald Erin
Sizing Guide – Emerald Erin
DREAMY STRAPLESS 6-WAY COMFORT , Finding the perfect strapless bra can be a nightmare - that's where the Dreamwire® convertible bra comes in.
DreamWire Strapless Multiway Underwire Bra
Printable Underwire Charts
MJTrends: Black Vinyl Fabric
Underwire Help – Emerald Erin
MJTrends: Dritz: Easy Attacher Snap Kit
Underwire bra (D cup) Woman, Patterned
Just My Size Women's Full Figure Active Lifestyle Wirefree Bra MJ1220 at Women's Clothing store: Bras
Bra & Underwire Size Guide – Emerald Erin