Professional tool for commercial or occasional use -Ideal for repairing damaged or striped internal threads Protects tapped threads against wear and damage -Creates a stronger internal thread in soft materials. -M12 x 1.25 thread insert SET INCLUDES THE FOLLOWING - 10 x 16.3mm thread length inserts - 1 x drill bit - 1 x thread tap - 1 x insert installation - 1 x lug breaking tool - 1 x Allen / hex key -Comes in a blow molded case for easy storage and transportation. -VAT receipt included