desgined , friendly to the for original-paint.It does not damage the paint. Unpainted dent removal is a highly specialized method, which can eliminate the dent on the vehicle without re spraying the vehicle surface. It is suitable for sheet metal processing of car, refrigerator, motorcycle body and washing machine body. Type:body traceless paint-free repair replacement head Note: Installation guide not included, we strongly recommend you seek professional installation. Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Type:M6 Thread Colour:As Shown Material:nylon Package Contents: 12 * replacement heads Only the above package content, other products are not included. 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.