This Forming Set Is Great For Bending Sheet Metal. The Solid Wood Base And The Nylon And Rubber Forming Blocks Will Not Scratch Your Presious Metals. This Is A Very Practical Set, And It's Easy To Use. You're Going To Love The Results You Get With This Set.* 6 Pieces Is Set * 3 Nylon, 2 Rubber Shapers * Wood Block Is 7" X 2.25" X 2" * Set Weighs 1 Lb., 6.9 Oz * Professional Quality