Andoer Hydraulic Universal Tripod Three-legged Support Stand Bracket Mount wi... Made of metal, rubber and nylon, durable and sturdy. Designed for monopod with 3/8? connector, holds monopod on top securely. Comes with a mini hex nut driver to adjust tightness. Rubber feet and special locking design ensures tripod stands on the flat stably. Foldable and compact design makes it more portable.