1. Made of aviation aluminum, CNC precision processing, hollowed out to reduce weight, polished, anodized surface, with stainless steel screws 2. -new design, customized tripod ring replacement foot for Sony FE 200-600 F5.6-6.3 G OSS lens, using the interface standard, length, width and height of about 105x65x33mm, the quick release plate is lengthened to 105mm, making the overall center of gravity more centered using 1 or 4 and 3 or 8 screw holes and stainless steel anti-slip screws, 3. The quick release plate adopts AS standard, compatible with for RRS or for ARCA-SWISS and other gimbals the screw hole reserved at the bottom can be connected to QS-160COMBO (need to be purchased separately) and expanded for hydraulic gimbals. Colour:Silver Material:aluminum Package Contents: 1 x Lens Collar Foot Tripod Mount 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store