From the online article:
“Built for commercial vans such as the Ford Transit and Ram Pro Master, Atturo has introduced its new CV400 tire.
The CV400 covers popular sizes for the global fleet of commercial vans. The full range carries the ‘C’ designation for higher load rated commercial vehicle use.
The Atturo CV400 tread pattern is designed specifically for the commercial van application. The tread has broad shoulder blocks with deep sipes to provide stable handling for high center of gravity vehicles and interlocking chevron center blocks maintain directional tracking. Three center channels in the tire improve water dispersion for improved traction and braking. ”
The CV400 size range is certified for international markets: