Features and Benefits:

• Heli-Coil Inserts are packaged according to thread size for easy handling and display
• The inserts are contained in a sturdy, clear, plastic display box and marked with part number and thread size
• The length of the inserts in inch and metric packages is 1- 1/2 times the diameter of the bolt
• This provides sufficient strength in most applications
• Spark plug hole inserts are packaged in lengths corresponding to the various spark plug reaches.