Work as convenient reference points to level flange for tack and weld-outAutomatically center on 5/8" to 1-5/8" (16 to 42 mm) holesAcme threads for maximum clamping power and hardened steel for long lasting use
Qwik Pins Simple Operation: (1) Push the spring-loaded button (2) Separate pin from nut (3) Insert into top two flange holes (4) Push spring button and reinsert onto pin (5)Quarter turn to tighten.
Brand: Sumner Manufacturing, Model: SUM781235, Size: 5/8 inches - 1-5/8 inches