Ideal for restoring damaged threads, suitable for engine repair and other automotive.<br> Applications for steel, cast iron and aluminum.<br> Can be used in daily repair, car repair, drilling machine, etc.<br> Made of high quality material, sturdy and durable in use.<br> Wrench: surface electrophoresis<br> Thread specification: M3x0.5mm/M4x0.7mm/M5x0.8mm/M6x1.0mm/M7x1.0mm/M8x1.25mm<br> How to use:<br> 1.Drill out damaged thread using correctly sized drill bit(supplied)<br> 2.Tap re-drilled hole using tap supplied<br> 3.Load coiled insert into applicator<br> 4.Screw coil into casting<br> 5.Using lug breaking tool,break off tag on insert<br> 6.Thread is repaired and ready to use.<br> Suitable for engine repair and other automotive applications, for restoring the damaged threads.<br> Due to different factory batches, the product words are different, and the product accessories have slight differences in color and appearance, but it does not affect normal use<br> Colour:Photo Color<br> Material:High Speed Steel<br> Package Contents:<br> 1 set * M7x1 repair tool<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.