6 in 1 Bits & sockets 101 PCS set include:
1/2”, 3/8”,1/4”Sq. Drive; Universal Joint; Extension Bar; 21 PCS Sockets;  16, 21mm Spark plug socket; 
1/4” Socket Adapter;
1/4”, 8mm, 10mm Bits Drive; 60 PCS Bits; 3 Bits Extension Bar  90mm, 1/4”Bit Screw driver, Blow case

3 Extension Bar:   1/2” 150mm, 
3/8” 90mm, 
1/4” 50mm
21 PCS Sockets: 
1/4”: 4, 5, 5.5, 6, 7, 8, 9, 10,
11, 12, 13mm
3/8”: 14, 15, 16, 17, 18, 19mm
1/2”: 21, 22, 24, 27mm
Bits:
SL3, 4, 5, 6, 7, 8, 10, 12
PH0, 1, 2, 3, 4
PZ0, 1, 2, 3, 4
H3, 4, 5, 6, 7, 8, 10, 12, 14
T6, 7, 8, 10, 15, 20, 25, 27, 30,
35, 40, 45, 50, 55, 60
M4, 5, 6, 8, 9, 10, 12, 14
RM 4, 5, 6, 7, 8, 9, 10, 11, 12,
14

Material Specs.:
Wrench Body:      6140(CrV)
1/2 Sq. Dr.:           6150(CrV)
3/8,1/4 Sq. Dr.:     SCM 440
3 Bits  Dr.:            SCM 440
6 Extension Bar:   CrV
1/4”, 5/16”Bits :    S2
10mm Bits:            CrV