Rock Solid's Magnetic Hammer features a heavy-duty magnet, with a fiberglass handle and slip resistant rubber grip. Perfect for use in the roofing industry this durable hammer is popular with craftsmen and perfect for home projects. Designed to be used with plastic and metal cap, nails only. Ideal for the installation of roof dry-in underlaymental™ house wrap, sheet metal and drywall. Heavy-duty magnet keeps plastic and metal cap nails in place.