This DELUXE set of PRATT Dilators will not fail to illicit a hearty response! Eight (8) SOLID Stainless Steel Rods safely encased within a velveteen lined, leatherette case. Each gently curved DOUBLE-ENDED dilator measures a breath-taking 12 Inches long. This particular set contains a range of sizes beginning at FR13/15 and going up to FR41/43.