Go Stick | Lightweight Carbon Fiber Monopod Extension with SpikeThe Leofoto GO 125 Go Stick can be used both as a monopod and as a monopod extension piece. The end with the twist leg lock segments has a inch mounting stud. There is a inch threaded mounting socket at the end of the brown rubber handle. Simply mount the foot spike and a ball head to use the GO 125 as a monopod or attach it directly to another monopod as an extension. 5 Section 10 ply Toray Carbon Fiber Sure Grip Silicone Rubber Handle Leg Tube