Underground Air Drill Features 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 lubrication 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 the front end. New and improved pusher leg – corrosion proof. Parts interchangeable with Secan 250 & Canun 260.