Pro-Grade products are designed and built with one goal in mind- to equip you with the best value available in Professional Quality Hand tools. To ensure long-lasting durability and performance we start by using only premium quality raw materials like Chrome Vanadium Alloy chrome Nickel and High Carbon Tool Steel. Precise manufacturing techniques and strict quality control are then added so that every product will meet or exceed A.N.S.I. If fact we re so sure of our product s quality every item is backed up by an Unconditional Replacement Warranty for the life of the tool. So when you re looking for a striking tool Pro-Grade offers a full line of hammers to meet your demanding needs whether it s for home office or job site. Galvanized steel wire 24 gauge 250 foot with spool dispenser packaging. Wire pulls through groove and spins on center hub to prevent knotting. Various lengths and sizes. Extremely strong and undectectable to the eye.