Air Drill used underground Features New Anti-Vibration handle reduces HAVS effect 50% Balanced to provide drillers ease of operation All controls located at the backhead of the drill Push button control for quick leg retraction. Front end porting for full lubricaton of chuck parts Sustained high penetration to the bottom of the hole Torque sufficient to install mechanical rock bolts. Water pressure can be regulated automatically Sure-lock steel puller mounted on front end. New and improved pusher leg - corrosion proof. Parts interchangeable with Secan 250 & Canun 260