The Gleener Replacement Edge Set includes all 3 fabric-safe edges and is compatible with all Gleener Fabric Shavers. From sweaters and suits, to sofas and bedding, Gleener helps you get the longest life from your clothing, upholstery, and linens. Each Fabric Safe Edge TM revives a different type of fabric. EDGE 1Ideal for big & bulky fabrics, like heavy woolens, synthetics, and blends. EDGE 2Best for medium fabrics, such as cashmere, merino, and finer wools. EDGE 3Revitalizes your delicate summer knits, t-shirts, and silk blends.