G47-250 G47250 Cooley Derra Pediatric Vascular Clamp For Anastomosis Large Size 6 1/2" G47-248 G47248 Cooley Derra Pediatric Vascular Clamp For Anastomosis Medium Size 6 1/2" G47-246 G47246 Cooley Derra Pediatric Vascular Clamp For Anastomosis Small Size 6 1/2"