Forestry Suppliers Dual-Graduation Twist Lock 8.5 (2.6m) Two-Section Prism Pole - 43000
Each twist lock pole features a built-in 20-minute level vial and a soft rubber knob that is easy to tighten and loosen. Adjustable tip with 5/8-11 adapter for prism mounting. Red/white aluminum outer pole. 10ths and metric graduations.