COTTLE Thumb Retractor working length, sharp double hook wide

JOSEPH Double Hook 6 1/4” (15.9 cm), two sharp prongs 2 mm
JOSEPH Double Hook 6 1/4” (15.9 cm), two sharp prongs 5 mm
JOSEPH Double Hook 6 1/4” (15.9 cm), two sharp prongs 7 mm
JOSEPH Double Hook 6 1/4” (15.9 cm), two sharp prongs 10 mm