Toughstrike Fiberglass Engineer Hammer, 4 lb, 15 in Handle ORS NASCO 004" Easy to dispense and use Cures 004" Easy to dispense and use Cures rapidly at room temperature without requiring heat or light Form fitting TrekDry® helps keep hands cool and comfortable Thermal Plastic Rubber (TPR) closure with hook and loop provides a secure fit Seamless single layer palm improves fit and dexterity Nylon web loop provides convenient glove storage Machine washable light demolition work 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 hammering