Seton Retractor Blades semi-sharp type Back to Products     Catalogue #       305-504   4 prong semi-sharp, set of two, 1" x 2" deep (25mm x 53mm) 305-506   4 prong semi-sharp, set of two, 1" x 1â…›" deep (25mm x 30mm) 305-508   4 prong semi-sharp, set of two, 1" x 11/16" deep (25mm x 20mm)