The A2 Floral Ribbon Threader Die-Cutting and Embossing Set by Spellbinders is from the Nestabilities Card Creator Collection. Use each die individually or combine them to cut and emboss beautiful pieces you'll love using on cards, layouts and more. No measuring is necessary- each piece is perfectly sized. This set is compatible with most leading die-cut systems (sold spearately). The approximate sizes are: 3/4" x 3/4" (leaf accent inset), 3/4" x 7/8" (leaf accent border), 3/4" (flower accent inset), 7/8" (flower accent border), 3 7/8" x 1 1/8" (flower border), 1 3/4" x 2 3/4", 3 5/8" x 4 7/8" (inset) and 3 7/8" x 5 1/8" (border).