Product Description:
Replacement foot for: Nikon 400mm f/2.8 FL VR. Foot incorporate Quick Detach socket to attached a standard push-button QD mount. Use the QD socket to attached 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. Replacements. Straps are available at eBay, Amazon, Cabala's, Bass Pro and other stores with sporting fishing and military equipment

• 6.750 inches long.
• 1.7 inches wide.
• 1.310 inch height.
• 1/4-20 and 3/8-16 tapped holes
• QD ( Quick Detach ) socket build in
• Weight 6.2 oz (177 g)
• Double-dovetail design allows for dual clamping surfaces on rail
• 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
Four M3 screws for mounting foot to lens (10mm long)
Two M3 safety screws attached to foot
Hex wrenches for M3 screws