First time repair kit. Flush repairs only this kit will only install the insert flush to the surface. Kit includes: Drill, counterbore, tap, install driver and 5 inserts 16mm length. Need a tap guide? Other M11x1.5 length inserts Note: For deep recessed head bolts see P/n 2200 Universal head bolt M11x1.5 head bolt kits allow you to recess the insert down into the block.