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- Approx. 2.7 mm leaf thickness; single‑action spring design
- Adjustable spring tension via hex wrench or tension rod
- 2 anti‑friction ball bearings for smooth return and longer service life
- Meets ANSI/BHMA A156.17 Grade 1; up to 1,000,000 cycles
- UL10C fire‑rated up to 3 hours
- Corner options: square, 1/4″ radius, 5/8″ radius
- Sizes: 4″×4″, 4″×4.25″, 4″×3.5″, 4″×3″
- Materials/finishes: stainless steel or steel; US15, US26, US4, US10B, US19, US14
- Supplied with machine/wood screws