Table:
text: S-8 rocket
Rocket specifications
Rocket specifications
Designation Type_ Length_overall Launch_weight Warhead_weight Range_
S-8 OM Illuminating 1.63 m 12.1kg 4.3kg 4 to 4.5km
S-8T Tandem-HEAT 1.7 m 13kg 6.6kg (1.6kg of explosive) 1.3 to 4km
S-8P Chaff 1.63 m 12.3kg 4.5kg of chaff 2 to 3km
S-8PM Chaff 1.63 m 12.3kg 4.5kg of chaff 2 to 3km
S-8S Flechette 1.612 m 13kg 4.3kg 1.2 to 3.5km
S-8TsM Target marking 1.605 m 11.1kg 3.6kg 1.3 to 2km (heli) 1.3 to 3km (plane)

Question: What type of S-8 rocket has an overall length of 1.605 m?