S2805-1

1.8 x 20, 1.2 x 8 

Center : 8mm

S2805-2

1.8 x 18, 1.2 x 8 

Center : 7mm

S2805-3

1.8 x 16, 1.2 x 8

Center : 6.2mm

*Side Band : 1.8 x 4, 1.2 x 10