1/4 6pt. Flank socket 5 1/4 6pt. Flank socket 5.5 1/4 6pt. Flank socket 6 1/4 6pt. Flank socket 7 1/4 6pt. Flank socket 8 1/4 6pt. Flank socket 9 1/4 6pt. Flank socket 10 1/4 6pt. Flank socket 11 1/4 6pt. Flank socket 12 1/4 6pt. Flank socket 13