This super 7dayshop product is suitable for use with most monopods. This tough and chunky knob quickly and easily screws on to the top of most monopods using the standard 1/4 inch screw thread - turning it into a very handy walking stick.It saves space and is ideal for walkers and trekkers who need extra support - especially when carrying heavy gear.Measurements: minimum diameter 3.3cm, maximum diameter 4.5cm, height 3.5cmWhat's included1 x Monopod Walking Stick Screw on Safety Knob