2. Fast and effective remedy for damaged cylinder head glow plug threads. 3. Complete tools, tap insert driver tap guide pin insert guide rod knurled head replacement thread insert (5pcs of each). 4. Made of high quality steel and A3 steel, rugged and corrosion resistant, long service life. 5 Four sizes of thread adapters, suitable for ordinary size glow plugs. 🔧【Premium Quality】This rethreading kit contains 6 metric rethread taps sizes: M8*1., 0, M10*1., 0, M10*1., 25, M12*1., 0, M12*1., 25, M14*1., 25, 20pcs thread coils size: M8*1., 0 M10*1., 0 M10*1., 25 M12*1., 25 coils (5pcs of each), 2pcs insert driver: M8 x 1., 0mm / M10 x 1., 0mm / M10 x 1., 25mm / M12 x 1., 25mm, 3pcs tap guide pin: 8x 45 / 10 x 45 / 12 x 45, 1piece long insert guide rod and 1piece knurled head 🔧【What U Get】Angchun 33PCS glow plug rethread repair tool kit, tap+insert driver+tap guide pin+insert guide rod+knurled head+replacement thread insert. Diesel Engine Repair Tool Glow Plug Thread Repair Kit, Thread Repair Tool Cylinder Head Metric 33PCS Cylinder Head Rethreading Kit A set of repair taps and coils for repairing the threads and glow plugs on alloy cylinder heads. Re-threading kit for 8mm, 10mm, 12mm glow plugs. Tap size: M8 x 1.0, M10 x 1.0, M10 x 1.25, M12 x 1.0, M12 x 1.25, M14 x 1.25. Thread coil size: M8 x 1.0 (I) - M10 x 1.0 (E), M10 x 1.0 (I) - M12 x 1.0 (E), M10 x 1.25 (I) - M12 x 1.25 (E), M12 x 1.25 (I) - M14 x 1.25 (E) 2-Thread coil driver 🔧【Easy to Store】All glow plug thread repair tools are safely and orderly stored in the blow molding box, which can withstand high-strength extrusion without deformation and protect the product from damage. 33PCS Glow Plug Thread Repair Kit, Thread Repair Tool Cylinder Head Metric Thread Repair Set Tap Insert Driver Guide Pin Thread Insert Tool Set Rethreading Kit Tool for 8mm/10mm/12mm Glow Plugs 33pcs Glow Plug Thread Repair Kit - German Specialty Tools The groove in the box can prevent thread repair tools from moving freely and effectively prevent wear
