The HMR-402 is made for creating bowl-like forms from lighter-gauge sheet metal without thinning it. You can also use this hammer to raise or planish concave shapes. One face measures 13x6mm while the other is 13x4mm.  

Part of the Precisionsmith line, these hammers are designed for detailed tasks and made to the exacting standards of all Fretz hammers.  Heads are cast from 420 stainless steel and hardened to 50 HRC.  Handles are made from oiled hardwood and are shaped and weighted to balance the head perfectly.  Made in Vietnam.

Head length: 65mm

Handle length: 220mm