Smart Spider+ 8" - 3/4" Shaft Reinstatements (1/2" Shaft) Use the curing cap to

Use the curing cap to replace the drum/cannon to install multiple liners

Square design/side blades allows the cutter to trumble on obstacles/connections to make hole larger than physical size of drill head

Quickly and efficiently grinds away most metal including rebar

Includes 4 blades & 4 screws

An efficient general cleaning chain

Smart Spider+ 8" - 3/4" Shaft Reinstatements (1/2" Shaft) Use the curing cap toFor descaling damaged pipes with missing bottoms or holes where typical chains or other descaling methods may be too aggressive, can get stuck in the missing sections or holes or can come out from the pipe. Also good for Fats, Oil & Grease (FOGs).