Lawn & Garden Tractor Battery Terminal Nut & Bolt, 3/4 in. Long 1/4 in. - 20 Threaded Steel Bolt With Nut & Zinc Plating To Resist Rust & Corrosion, Put The Bolt Through The Battery Terminal Tightening Holes & Tighten Nut On Other End Until The Terminal Is Snug Onto The Battery Post.