Nupla 6894104 Dead Blow Hammer, 4 lb Head, 2 3 4 in Face, 15 1 4 in Overall Length, Fiberglass Handle, Polymer over Composite Head G2283377 Charging Cradle Charging Cradle Pipe Capacity 5 1 4 in Head Weight 4 lb Head Material Polymer over Composite Handle Material Fiberglass Tether Capable Tether Capable Head Color Black Replaceable Tip No Nonsparking No Handle Color Yellow Features Free Flowing Inner Shot Concentrates Striking Power and Increases Driving Force Tether Style Standard Tool (Accessory Needed for Tethering) Dead Blow Construction Shot Loaded Composite Interior Cavities Face Hardness Soft Hammer Type Dead Blow Hammer Series Standard Power Drive Non Marring Yes Face Shape Round Face Material Polymer over Composite Type Dead Blow this hammer has a head weight of 64 oz