Product Description Toptul GAAQ0701 Bit Socket Rail Set 1/4"" 7pcs Contents: 1/4"" Dr.Phillips Bit Sockets (37mmL) PH1,PH2,PH3 (BCAA08P1~08P3) 1/4"" Dr.Slotted Bit Sockets (37mmL) 4,5.5,6.5 (BCCA0804~086E) 1/4"" Dr.Extension Bar-2""(l) (CAAA0802)