This handy wood mallet has one face that is wood for driving pegs and tapping two pieces of wood together. The other face has a steel plate mounted to it so that you could drive a metal wedge or nail. 

Specifications:
Overall Length: 14-in
Handle Length: 10-1/2-in
Weight: 2-lbs 6-oz
Material: Japanese White Oak (the head is sealed and looks slightly red)

Head Dimensions: 
Length 6-1/2-in
Width:3-1/2-in
Length: 3-1/2-in