Anderson Detector Shafts 36" Regular Shaft & Lower Rod - Carbon Fiber(Garrett AT Pro / AT Gold)Made of High Quality Carbon Fiber. Has a Fantastic Weight-to-Strength Ratio and is also Corrosion Resistant The Anderson Garrett AT Pro / AT Gold regular shaft and lower rod are made from quality carbon fiber which is resistant to corrosion. It also features a carbon fiber shaft a screw lock system and an adjustable handle and arm cuff.