1. Designed for removing the broken piece of heater element that can break off during glow plug removal. Saves time for not having to remove the cylinder head. 2. Works by drilling or tapping a thread into the broken element so the supplied glow plug adaptors can be used to extract. 3. Made of high quality steel, hard, , , and long service life. 4. Supplied with seven drilling/tapping guides and five glow plug extraction adaptors with either a M8 or M10 thread. 5. Attached with a storage box, easy to carry, you can carry it with you to anywhere, to provide you with more convenience. Specification: Condition: 100% Material: Steel Color: As the Picture Shown Application: For glow plugs threads, M8 x 1.0 - M10 x 1.0 - M10 x 1.25 Tap Specification: M8 x 1.0mm M10 x 1.0mm M10 x 1.25mm M3 x 0.5 tap 100 mm M4 x 0.7 tap 100 mm Special drills 2.5 x 120 mm - 3.3 x 140 mm Pulling bolt 180 mm packing list: 1 x Glow Plug Removal Kit Note: Please note that the color of the box will be sent randomly, and make sure you will not mind before ordering.