We have Chicago Pneumatic Rock Drill, Model# CP 0032A.87 with Product Detail Streamlined design is ideal for quarry, mine, drilling and doweling work Air inlet swivel for improved maneuverability Main valve design and cylinder-porting concept maintain constant drilling speed and long service life Working parts are continually protected with effective lubrication system Retainer design delivers increased contact and reduces collar wear . The "Chicago Pneumatic Rock Drill, Model# CP 0032A.87" is best product for you. We recommended Chicago Pneumatic Rock Drill, Model# CP 0032A.87