Pengo Style Full Carbide Pilot Bit Augers Shark chain is better in

Shark chain is better in almost all soil conditions except baseball-size and larger rocks

Low maintenance

LENGTH: 36"

These are the thick machined washers used on the sides of the nose roller or sprocket on the T-4 Trencher

Pengo Style Full Carbide Pilot Bit Augers Shark chain is better inPart Number: SB 25CXC The SB 25cxc is a full carbide version of the SB 25 Pengo style pilot bit. There are peices of carbide on the tips and down the sides of this bit for greater wear resistance. This pilot will fit all of our Pengo style augers except for the PSD4. Includes the nut and bolt for mounting to the auger. Note: Does not fit the PSD4 auger.