The Tonic Studios Floral Crafters Embossing Tool Set provides all of the products required to make perfectly embossed dimensional paper flowers. The 3 individual double ball ended embossing tools are manufactured in rust-proof stainless steel with a tapered body and Kushgrip to prevent hand fatigue. Also included are stainless steel craft tweezers and a foam embossing mat. The ball sizes on the 3 embossing tools measure: 12mm/0.47 in. and 8mm/0.31 in. 8mm/0.3 in. and 3mm/0.12 in. 6mm/0.24 in. and 2mm/0.08 in.