You will receive a set of 20 1/4in bits, as shown in the picture.
Type:H1.5,H2.0,H2.5,H3.0,H4.0,PH0,PH1,PH2,PH3,PZ1,SL3.0,SL4.0,SL5.0,SL6,Y2,T8H,T9H,T10H,T15H,T20H