1/4"drive:
1.T8,T10,T15,T20,T25,T27,T30,T40,H2.5,H3,H4,H5,H6,PH1,PH2,PH3,SL4,SL5,SL6
2.T10,T15,T20,T25,T30,H1/8,H5/32,H3/16,,H7/32,H1/4,PH1,PH2,PH3,SL4,SL5.5,SL6,PZ1,PZ2,PZ3
3.TT8,TT10,TT15,TT20,TT25,TT27,TT30,TT35,TT40,PH1,PH2,PH3,SL4,SL6,M4,M5,PZ1,PZ2,PZ3
3/8"drive:
1.H1/8,H5/32,H3/16,H7/32,H1/4,H5/16,H3/8,PH2,PH3,SL6-8,SL8-10,M6,M8,M10
2.H3,H4,H5,H6,H7,H8,H10,PH2,PH3,SL6,SL7,M6,M8,M10
3.T15,T20,T25,T27,T30,T40,T45,T50,PH1,PH2,PH3,SL5.5,SL6,SL7
4.TT15,TT20,TT25,TT27,TT30,TT40,TT45,TT50,PZ1,PZ2,PZ3,SL5.5,SL6,SL7
5.M5,M6,M8,M10,PZ1,PZ2,PZ3,S1,S2,S3,SL4,SL5.5,SL6
* Work well with 1/4" and 3/8" driver's bit socket.
* Already patented.
1/4 drive bit sockets with holder