Tuffier Rib Spreaders Back to Products     Catalogue #       400-150   Roughened blades Spread: 6¾" (170mm) Arm length: 4¼" (108mm) Blades: 1â…ž" wide x 2" deep (47mm x 51mm) 400-151   Grooved blades Spread: 6¾" (170mm) Arm length: 4¼" (108mm) Blades: 1â…ž" wide x 2" deep (47mm x 51mm)