You can find a rawhide mallet for fine metal work at Cas-Ker Co., the jewelers and watchmakers source for quality supplies and pro grade tools since
Mallet Rawhide Vaughan 1-3/4
MSC Vaughan Bushnell 15430 3/4 Lb Head Ball Pein Hammer Hickory Handle, 12-3/4 Overall Length
VAUGHAN 12-oz Smooth Face Rubber Head Wood Rubber Mallet in the
Vaughan & Bushnell No. 905C Drop Forged Indestructible Bedrock
Vaughan & Bushnell RSF12 Soft Face Hammer, 12 oz
VAUGHAN 12-oz Smooth Face Rubber Head Wood Rubber Mallet in the
Forged steel head lends force to blows Replaceable faces Top quality American hickory handles
Vaughan 19410 SF12 12 oz Soft Face Hammer
Finishing hammer is of compact design and lighter weight making it ideal for finish and trim work. 16 oz. (ounce) drop-forged steel head, induction
VAUGHAN & BUSHNELL CO 1650 16oz Finish hammer
Compressed under hydraulic pressure, then seasoned for durability. Vaughan Rawhide Mallets deliver firm blows from a larger striking face. Handles
RM275 2-3/4'' Rawhide Mallet
Vaughan & Bushnell No. 905 Drop Forged Indestructible Bedrock