1. Secure structure2. Two 1/4 threaded holes and one 3/8 threaded hole at the bottom3. Net Weight: 171g Baseplate with Dual 15mm Rod Clamp 1674 is a simple and light base plate for the current popular cameras, such as FS7, A7 series, C100/C300/C500 etc.. It attaches to a camera with a 3/8 inch-16 or 1/4 inch-20 screw. The base plate features 15mm diameter and 60mm spaced rod holes that allows you to mount a follow focus, matte box, lens support or other accessories. It is specifically designed to keep the weight down and let the operator use the FS7's inbuilt shoulder pad, minimizing the amount of extra weight and gear needed for a rig. With 1/4 inch-20 & 3/8 inch-16 threads on bottom, this base plate can be attached to any tripod.Colour:blackMaterial:Aluminum alloy + rubberPackage Contents:1 * Camera Base PlateOnly 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.