Toughstrike Fiberglass Sledge Hammer, 12 lb, 35 in Handle no checkout Excellent durability Six inch metal barrel Excellent durability Six inch metal barrel permanent marker is leak proof with a seamless metal body Heavy duty chisel felt tip with anchored nib construction Marks on wood excluding Heavyweight Contractor Bags (HB42 20) No side seams to split and no gussets to weaken the bottom Options available for Extra Heavy Duty Contractor Bags Fiberglass handle for increased handle strength Double face forged steel hammer head for maximum durability Overstrike protection to prevent handle breakage Epoxy connection for trusted head retention Used for heavy demolition work and driving spikes wedges