HAMMER SLEDGE 10LB FG HDL RAZORBACK. This product is a sledgehammer composed of a 34" long solid fiberglass core handle and a forged steel head. It also has a connection consisting of an end-to-end reinforced steel pin of this product. That all leaves this product is even safer for those who will be operating it, making it ideal for heavy work, such as digging piles, breaking concrete and other general demolition work.