We have here a nice. Helicoil® #5403-4 Size M4x0.7 Metric Thread Repair Kit 5403-4 Machinist CNC #949. Note: Comes with a R&N. A nice kit in good condition. Watch here for additional Helicoil repair kits and accessories! Plenty of high resolution pictures are featured. If additional detail is required..... The pictures may be copied and downloaded to your desktop. There they can be "zoomed-in on" if detail is required. Be sure to take a look at my other auctions... This item is subject to prior sale.