Approximately 2 times longer life *1 achieved by reliable structure that includes a hammering mechanism same as our large hammers.
1. Hammering mechanism features air channel system （NEW）
Up to 50% more volume of air cushion *1 reduces wear and damage inside cylinder.
2. Ball bearings （NEW）
Ball bearing seals in grease and holds temperature low to protect melt down of gear cover.
3. New internal pressure control mechanism （NEW）
Provides smooth airflow in or out of the gear cover to stabilize and ensure hammering action.