Nikon NIKKOR Z 600mm f/6.3 VR S Lens Lens  arca type  foot replacement with two Quick Detach sockets to attach a standard push-button QD mount. Use the QD socket to attach a standard push-button QD mount. QD system has been used for years by industries around the world including NASA, law enforcement and military agencies. The design inhibits accidental removal, especially when the camera is hanging from the strap. Attach your favorite strap to the clamp, then mount the clamp to any of Arca Type plates, L brackets or Foot Replacements. Straps are available at eBay, Amazon, Cabala's, Bass Pro and other stores with sporting fishing and military equipment. My favorite strap is Black Rapid

• 4.3 inches long
• 1.50 inches wide
• 1.18 inches thick.
• Weight: 3.0 oz (84g)
• Two safety stops. This prevents free fall when the clamp is not fully closed (M3 screws)
• Precision C.N.C. machined from 6061-T6 Aluminium
• Made in USA
• Stainless steel hardware
• Black hard coat anodized surface

One replacement foot.
One 1/4-20 mounting screw
Two M3 safety screws attached to foot
Hex wrenches for 1/4-20 and M3 screws