3" Compression Point For Drain Pipe which is the first shaft

which is the first shaft to go into the ground with the compression point

This part is used to insert a  1-1/4" PVC Sch 40 pipe into the ground after the initial hole is opened with the compression point

master shaft is usually the first shaft to go into the ground and is connected to a compression point

This part is used to connect the Bullet Mole to a jack hammer so that the jack hammer can drive the Bullet Mole

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

3" Compression Point For Drain Pipe which is the first shaft