Haight Pediatric Rib Spreader fixed stainless steel blades Back to Products     Catalogue #       400-210   Spread: 4¾" (120mm) Arm length: 2½" (64mm) Blades: 1â…›" x 1â…›" (30mm x 30mm) 400-211   Spread: 4¾" (120mm) Arm length: 3½" (89mm) Blades: 1â…›" x 1â…›" (30mm x 30mm)