This set includes 14 dies for 4″, 6″, 8″, 9″ and 12″ blocks. Dies are 1.5mm deep. Cuts multiple layers at once. A precise cut every time. Mix and match dies for patchwork blocks. Take your quilting and patchwork skills to the next level and unlock the full potential of the Build-A-Block series with the Build-A-Block PLUS system.