Using this T - bolt radiator hose clamp kit is easy. First, identify the large and small clamps according to the hose sizes. For the larger hoses, use the 37mm to 42mm clamps, and for the smaller ones, use the 31mm to 36mm clamps. Loosen the clamps and place them around the hoses where they need to be secured. Then, tighten the clamps using a suitable tool until they fit snugly. When installing, make sure the hoses are clean and dry to ensure a good seal. As for maintenance, periodically check the clamps for any signs of corrosion or looseness. Since they're made of stainless steel, they're quite durable, but if you notice any issues, you can clean them with a mild detergent and water. Always store the clamps in a dry place when not in use.