• Built in 2 bubble levels to ensure accurate photography in a horizontal direction
• 38mm Arca-Swiss standard U-shaped notch clamp to protect your camera from accidental drops
• Made from lightweight aircraft grade aluminum, machined, hard anodized finish
• Comes with its own knob and is made of all metal for greater durability and non-deterioration
• With three 3/8" threaded holes and two standard 1/4" threaded holes, compatible with any Arca style plate, camera rod, and multifunctional rail. Compatible with RRS, Arca-Swiss, KIRK, Wimberley, Markins, Sunwayfoto, Kangrinpoche, Benro, etc.

Specifications:

• Model: QR-90N
• Application: 38mm
• Material: aluminum alloy
• Net weight: 150g
• Attachment holes: 3/8*3, 1/4*2