PENGO 30" Severe Rock RipperPengos Severe Rock Ripper (SRR) is specifically designed to handle the most difficult rock applications. Featuring our Rock Ripper Pilot, thick hard faced flighting, and carbide conical teeth; the SRR is the most robust tool in the GP lineup. Our SRR can also be equipped with our Strata series of teeth, which provides drilling grade carbide and maximizes both performance and drilling efficiencies. AUGER ASSY 6 SRR 48 H 200 2" hex 48" length Shadt OD 3