Mantis 330106 E-System Pruner/Chain Saw Attachment Mantis E-System pruner and chain saw attachment makes pruning branches and tree limbs easier, cleaner and safer Easily slices through branches and limbs up to 4-Inch in diameter Automatic blade oiling system uses standard low viscosity chain saw oil; tank capacity is 4.1-Ounce; 1 pre-measured bottle of oil included Prune chain type is standard gauge (0.043-Inch) 90 SG; unit comes with a blade cover for clean, safe storage Total unit shaft length is 65.5-Inch; pruner attach shaft length is 29.5-Inch; power head shaft length is 36-Inch; assembled unit length 7.7 -Feet