The entire body is non-magnetic, but the tip is mild steel. Missed that in the original post, but no matter, a steel tip is better as it won't blunt as easily. It doesn't look like stainless, and it was advertised by Jamie as being Ti, and I trust him, so I do believe it's Ti.
While on the topic, how much force would the Gimsons 12v GLA6000 Linear Actuator produce if overvolted to 18v?