A Must Have For Jewelry Wire Work. Harden And Flatten Your Wire Creations With Precision. Heavy, Solid Steel. A Smaller Size For Precision Work. Here is a simple way to harden your flat metal wire designs. Place the wire on the bench block and give it a whack with a chasing hammer. Just a couple of hits and your wire is set in its shape! Easy to handle, simple to use. Heavy weight keeps block in place on your work table. Works with most wire gauges Will work with most types of wire, including Gold, Gold-filled, Sterling Silver, Copper. Small size is great for more delicate projects. 2.5 Inch X 2.5 Inch,75 Inch thick. Item weighs over ONE pound, so please note shipping costs (below) before ordering.