GW/EPS-STD 
GW/EPS-STD (A/B/C/D) short axle distance(15.3mm)

2:

Sa:M0.4x56T

Sa:M0.4x20T

56T/20T=2.80

1:

Sb:M0.4x58T

Sb:M0.4x18T

58T/18T=3.22

A:

Sa:M0.4x60T

Sa:M0.4x16T

60T/16T=3.75

B:

Sb:M0.4x62T

Sb:M0.4x14T

62T/14T=4.43

C:

Sc:M0.4x64T

Sc:M0.4x12T

64T/12T=5.33

D:

Sd:M0.4x66T

Sd:M0.4x10T

66T/10T=6.60

Suggested Battery : 270~400mah 7.2V  ~ 8.4V

GW/EPS-STD (E/F/G/H) short axle distance(35.1mm)

E:

La:M0.5x124T

La:M0.4x16T

124T/16T=7.75

F:

Lb:M0.5x126T

Lb:M0.4x14T

126T/14T=9.00

G:

Lc:M0.5x128T

Lc:M0.4x12T

128T/12T=10.66

H:

Ld:M0.5x130T

Ld:M0.4x10T

130T/10T=13.00

Suggested Battery : 270~400mah 7.2V / 8.4V / 9.6V