315-M Model Code: AA (part# 315-M) This item features: -Drive Size: 1/2 in. -No. of Points: 12. -Drive Type: Square. -Includes: Socket Bar, Socket Clips. -Price is for 1 Set. Model Code Model Description AAOpening Size:10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 21 mm, 22 mm, 24 mm, 27 mm, 30 mm, 32 mm ABOpening Size:3/8 in, 7/16 in, 1/2 in, 9/16 in, 5/8 in, 11/16 in, 3/4 in, 13/16 in, 7/8 in, 15/16 in, 1 in, 1 1/16 in, 1 1/8 in, 1 3/16 in, 1 1/4 in