Listed is a Lixie 250L-MH  2-1/2" face Dead Blow Hammer. This is the lighter version of Lixie's 250 hammer line.  It weighs 66 ounces (4.125 pounds).

* Spark Resistant Aluminum Alloy Head Casting for Hazardous Environments

* Reduced head weight prevents user fatigue & injuries

* Hollow casting allows unobstructed movement of shot for stronger striking

* Hickory Grooved Handle provides positive grip despite oily or wet hands

Specs:

Part Number: 250L-MH

Face Diameter: 2-1/2"

Faces Provided on Hammer: Hard (Black) and Medium (Green)

Overall Mallet Length: 17"

Mallet Head Length: 7-1/4" 

Weight of Hammer: 66 ounces (4.125 pounds)