This set includes four CAT Yellow Sickle Bar Mower Slides, each measuring 5-3/16" x 3-1/8" with a 3" between the square hole centers. The slides are perfect for use with your sickle mower, and will help to ensure your equipment is running smoothly and efficiently. They are compatible with a range of different models and brands, and are a great addition to any lawn care toolkit. Item weight is 1 pound, and 9.5 ounces. Free shipping to the lower 48.