8GG

1/2"
-
-
Front Ferrule

The Hoke Gyrolok® GyroGage (GG Series) is a precision tool designed to ensure correct installation of Gyrolok® tube fittings. It verifies proper pull-up of the nut on initial assembly, ensuring optimal performance and sealing reliability.

Available in: Hardened Steel (tool-grade material)

Sizes: For use with tube sizes 1/8" to 1" (imperial); 3 mm to 25 mm (metric)

Connection A size:
1/2"
• Confirms proper initial pull-up of Gyrolok® fittings
• Reduces risk of under-tightening or over-tightening
• Promotes consistent and repeatable assembly
• Compact and easy-to-use tool for installers and inspectors
• Available for a wide range of tube sizes
• Enhances system reliability and safety

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