Featuresdesigned To Remove Damaged Or Broken Glow Plugs From Cylinder Headsset Includes All Required Adaptors For Drillingcentring And Pulling For The Safe Removal Of Glow Pluginstruction1)Choose The No.4 Socket, Install Into The Glow Plug, Use Hammer To Fix The Socket With The Glow Plug Head, Then Try To Remove The Glow Plug With 3/8Drive Socket.2)This Tool Is Especially For The Situation When Removing The Glow Plug, But There Is Only Head Is Removed, Then Please Use The Other Accessories To Remove The Rest Of The Glow Plug From Glow Plug Hole And Replace A New One.3)Insert No.6 Tube Into The Glow Plug Hole, Then Insert A No.10 3.5Mm Drill Into No.6 Tube Then Drill A Hole With Air Tool.4)Separate The No.9 Device And Only Choose The Cone Center Tool And Install Into The Glow Plug Hole. Choose Suitable Drill From No.2(7X 5.5 Or 9X 5.5), Insert The Drill Into No.8 Drill Installer. It Is Important To Use No.5(3Mm Alley Key) To Lock The Screw On Drill Installer. Then Install It Into Cone Center Tool And Connect With Air Tool To Drill And Also Remove The Hex Nut From Glow Plug.5)Choose The Tab 1/4 -28 Unf From No.7, Insert It Into No.1 T-Handle. Install It Into Glow Plug Hole And Turn The T-Handle Clockwise For Drilling. After Work, Just Adjust The Key On T-Handle And Remove The T-Handle Anti-Clockwise.6)Choose The Tool No.9, There Are A Hex 12Mm Bolt And 30Mm Hex Nut And A Cone Center Tool. Screw The No.12 Bolt(1/4 -28 Unf Hex 9Mm) Into The Hex 12Mm Spindle And Use A 9Mm Spanner To Tighter The No.12 Bolt. Install The Cone Center Tool & Hex 12Mm Bolt Into Glow Plug Hole. Then Screw The M30 Hex Nut Properly. Use M12 Spanner To Fix The Hex 12 Bolt Head And Use M30 Spanner To Turn The M30 Hex Nut Clockwise To Extract The Rest Part Of Glow Plug.7)Choose A Tap(M10X P1.0 Or M8X 1.0) From No.7, Install It With T-Handle, And Tap The Glow Plug Hole.8)Remove The T-Handle And Replace The Replace The New Glow Plug.