Harken Rib Spreader and Scalpula Retractor Back to Products     Catalogue #       400-185   2 pair of stainless steel blades, Spread: 11" (280mm) Arm length: 8¼" (210mm) Fixed blades: 2½" x 1â…ž" (65mm x 49mm) Scalpula blades: 2" x 2" (51mm x 51mm)