Hydropneumatic tool for threaded inserts from M4 to M12 comes with all heads in the range, in a neat carry case. This is a true industrial threaded insert tool and will meet the demands of the heaviest user.This kit is the most economical way of purchasing the tool because if you get the head assemblies individually you will pay considerably more. You can special order head assemblies in inches to suit your exacting requirement - just ask.Fully supported with spare parts and servicing in-house.