Ultra-Large Jeweler's Solid Steel Bench Block 6" x 6" x 3/4" Classic jeweler's tool provides hard, solid & flat surface for hammering workpieces Solid steel polished to mirror finish; 6 x 6 x 3/4" - almost 7 lbs Perfect for flattening, chasing and forming precise angles with gold, silver, brass, bronze or copper Excellent tool value that will last for generations Also in 4" x 6" & 4" x 4" steel, 4" x 4" steel & rubber, 4" x 4" rubber and 2" x 2" rubber