for Rust C=rrosion. Mr. Edmond at Home Depot is recommending that we use pic 3 and pic=5 for all. Pics 1, 2 & 4: Outdoor/Indoor handles, Bikes, Me=al Pipes, Carts, Mules, Metal household items & furniture (available in=colors) EFTA_R1_01842041 EFTA02627270 Pics 3 & 5: Engineering, R/O Plant, Diesel R=om, G