Time-sert repair kit tool RENTAL, size M5 x 0.8, fine: kit includes the correct drill bit,a cutter, insert tap and installer & 2 short inserts for you to use. Works for all years; comes with instructions. will allow you to fix the stripped out threaded holes on the side of your distributor, where you secure the vacuum advance. Included in the rental price is a core charge of $50 that you will get back, providing you return the kit minus the 2 inserts to us complete in good condition within 30 days. If you need more inserts, you can purchase them separately, they are available in the " tool rental & misc. page. Don't hesitate to contact Rafee at 918-753-2486 with any questions you might have about this item.