1. Refer to for original design and optimize it, which is more practical than the original one, improves the details, and adds the function of quick release plate 2. Made of aviation aluminum, CNC precision processing, anodized , spring buckle, knob locking, and stainless steel anti-slip nails 3. The net weight of the replacement foot is about 70g. According to the original volume, the bottom comes with a quick release plate, which is about 80mm long and has 1/4 and 3/8 screw holes reserved 4. The quick release plate adopts AS standard and is compatible with /ARCA-/KIRK//MARKINS//KANGRINPOCHE///MARSACE/ and other standard gimbals, etc. 5. Scope of application: for AF-S 500mm f/5.6E PF ED VR lens for AF-S 70-200 f/2.8E FL ED VR lens Currently tested, not compatible with other for 70-200/2.8G lenses Colour: Black Material: Aluminum Package Contents: 1 x Tripod Replacement Base Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.