Rails System Support Base Stand Support System Base Plate Mount With Quick Release Plate 15mm Rail Rod For DSLR Follow Focus Rig    Features:    - The item is composed of 2 height riser, a sliding rail block and two 15mm rods.   - A central tripod mounting plate helps to make a perfect balance between the camera and the front mount accessories (35mm Adapter/Mattebox/Follow Focus).   - Also featuring built-in Lens Support which is very useful accessory to support any lens.   - Strong enough and can support the large variety of smaller cameras and bigger cameras as well.   - A Quick Release plate enables the quick attached of the camera and easily slides into the adapter.   - The Quick Release plate comes with 1/4" camera mounting screws.     Specification:   Material: Metal   Color : Blue + Black   Rail length : 180mm   Rail diameter : 15mm   Rail center-to-center distance : 60mm   Camera height riser adapters legth : 85mm   Thickness of height riser adapters : 8mm   Lens support length : 65mm   Tripod mounting plate length : 80mm   Tripod mounting plate thickness : 20mm   Screws thread : 1/4 & 3/8     Note:    Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.   Thank you for your understanding, nice day     Package Includes:   1 x Rails System Support Base Stand   2 x 15mm Rods (180mm in length)    Packing list  1 x Rails System Support Base Stand    2 x 15mm Rods (180mm in length)