Cooley Sternal Retractors stainless steel Back to Products     Catalogue #       400-260   Child size Spread: 5â…›" (130mm) Arm length: 4½" (113mm) Blades: 1¾" x 1" (46mm x 25mm) 400-261   Adult size Spread: 6½" (165mm) Arm length: 5½" (140mm) Blades: 2" x 1â…œ" (51mm x 34mm) 400-262   Extra large size Spread: 7¾" (194mm) Arm length: 6¼" (158mm) Blades: 4" x 1â…›" (102mm x 29mm)