Calumet 8000 Series 5 Section 8x Carbon Fiber Monopod This compact and lightweight CK8106 5-section monopod is made of eight layers of Carbon Fibre providing maximum strength with minimal weight while the Magnesium Alloy tooling is strong and durable allowing an impressive load capacity for this lightweight convenient tool. Head Mount Thread Size: 1/4-20" and 3/8"-16