Products › Colonel (COL) – O-6 Image 1 of 3 Image 2 of 3 Image 3 of 3 Colonel (COL) – O-6 $2.50 A 3D-printed replica of the COL US Army Rank. Printed in durable PLA, measuring 5.64 in. L x 2.84 in. H x 0.25 in. thick. Color: Silver / Black All Black Add To Cart Added! A 3D-printed replica of the COL US Army Rank. Printed in durable PLA, measuring 5.64 in. L x 2.84 in. H x 0.25 in. thick. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More