Sizzix 657613 Bigz Die, Half-Square Triangles, 4 1/2" Assembled Square (M&G) Bigz die Cleanly cuts thick Materials, including cardstock, chipboard, fabric, foam, magnet, leather, metallic foil, paper and sandpaper Wider size offers you more design options Steel-rule construction Designed for use only with the BIGkick, big shot and vagabond machines Requires the use of a pair of cutting pads