The Pete Rickard HD166 Speed Dip Trap Dye helps to preserve your traps. With today's high trap prices, you can't afford not to preserve your traps. Rust makes a trap sluggish, weak and shortens it's life. A well treated trap sets easier, has more power and speed. Brown Logwood Trap Dye is a must for coyote, fox and wolf trappers. A natural form wood dye that chemically reacts with the steel to darken the trap. This product is easy to use. 4-ounces treats 1-3 dozen traps.