3" Drain Cap Compression Points This connector is used to

This connector is used to connect 1-1/2" poly pipe to the shafts before the shafts are extracted from the ground

Fits 4 shafts

The digging hook can be attached to any digging bar that has a square

The angle of penetration can also be adjusted pitch downward from 4° to 15°

After the pipe or conduit is installed over the shafts

3" Drain Cap Compression Points This connector is used toAfter the pipe or conduit is installed over the shafts, this part is used to center the pipe or conduit onto the back end of the shafts. Then as the tool is driven through the ground the 3" drain cap actually pushes the pipe into the hole simultaneously as the Bullet Mole pierces the ground and advances under the pavement.