Collins MD-4FD-C Heavy-Duty Sledge Hammer with 16" Fiberglass Handle, 4 Lb HeadCollins Heavy Duty Sledge Hammer features 16" double injected fiberglass handle. Drop forged and deep tempered for superior durability. Heat treated stove pipe finish is rust resistant. For replacement handle use Sequatchie Link #423 99. Head Weight: 4 Lb Handle Length: 16" Handle Material: Fiberglass Double injected fiberglass handle Drop forged and deep tempered for superior durability Heat treated stove pipe finish is rust resistant For replacement