Tufnut Security NutsTufnut Steel Security Nuts are fastened with regular tools.
They can be installed as tightly as desired but are removable for maintenance, and are REUSABLE.
Tufnut tamper proof nuts are fully adjustable, to give you complete control over how tightly your property is secured.
Here's How The Tufnuts Work . . .
Tufnut Price Sheet
Tufnut Specification pdf