Prime series are silenced type breakers that are developed for environment and human health according to international trend of noise restriction.
By equipped a hard boots of reinforced rock dragger and bracket, prime series provides much innovative durability with maximum power than ever.
The benefits of these series are dual speed control system, hard boots (EHB13 and larger model), anti-blank blow system, auto-stop & auto-start function and single high pressure accumulator (EHB17 and larger model).