OWDEN Professional 3 in 1 Jewelry Metal Stamps Hammer(Patented),Steel hammer,Nylon Hammer,Brass Hammer for craft worker. and Steel Bench Block set with 2 replace hammer heads. OWDEN Jewelry stamps tool set , 3 IN 1 jewelry hammer (Patented) with 2 replace hammer heads, 1 Metal steel bench block . OWDEN New design 3 in 1 metal stamping hammer, There are 3 material heads design for different craft working. The hammer is wrapped in ABS plastic, And the handle is wrapped in soft plastic to reduce the shock force when struck. The steel head: The steel head part is fixed on the hammer,Chrome plated, And the hardness about HRC48-52. The brass head is screwed on the hammer body by the thread structure. In order to prevent the stamp from jumping during use,No ghosting of the letters. The nylon head: We cleverly placed the nylon head at the end of the handle,So it is not easy to lose the hammer head! When using, You can unscrew the brass head and replace it with a nylon head. The nylon material has good toughness and durability,It can be used when striking many precision tools to protect the tools intact. This is a multifunctional hammer designed by OWDEN(Patented, Don't copy us) OWDEN designed round steel bench block for jewelry stamping, Size: 3x3/4 The steel part is mirror finished and chrome plated,Hardness about HRC 45-50.(No rebound design? The base is made of soft plastic and wraps the bottom of the steel part. The soft bottom helps reduce the rebound force when tapping. It Will make the patterns or letters that we work more perfect.