This kit was specially created for the jeweler's or artist's work bench. The block is made of hardened chrome vanadium steel, a material chosen for its long lasting durability. The block measures 4" X 4" X 3/4". The hammer is a steel head chasing hammer, with a solid wood handle. * Hammer Is 10.5 Inches Long Overall, With A Steel Double-sided Head Measuring 2.5 Inches Across * Hammer's Forged Steel Head Has One Slightly Curved, Round .75 Inch Striking Surface * The Other End Of Hammer's Head Has One Slightly Curved, And Elongated, 35 Inch Striking Surface * Hammer Handle Is Made Of Solid Hardwood, With A Bulbous Handle To Give You A Full Grip * Block Is Made Of Hardened Chrome Vanadium Steel For Years Of Reliable Use