These grenades are similar to the standard 6210 Inert Smoke grenade, but these are made in different colors. There are 6 color variations: Blue, Green, Orange, Red, Violet, and Yellow. These canister type grenades provide a continuous discharge of smoke under pressure. The Model 62 series is medium sized having the form factor of the military M83 smoke grenade. These canister grenades discharge smoke through four angled top ports and a single bottom port.