#4 Oval Grommet Tool. The Dzus® fastener (also branded as Z-SPEC and ZLOC™) is the most commonly used quarter-turn fastener in aviation. These tools are designed to flare the stud grommet when installing Dzus fasteners. Choose the correct tool by the size of the stud, and the shape of the head. Complete instructions and diagrams included.Complete instructions and diagrams included.
Note: Every installation set requires the use of a clamping tool p/n MS-ZC (not included). However you need only one, as each set will fit the same clamp. 1 lbs (0.5Kg) shipping weight.