Edges may have to be modified to meet your local rules. The angle of the flanges in particular and end. Let me know if this needs to be done and we can do it for a slight charge. I can easily grind that down.
To reduce the weight, I think i can get it to 1kg with a mod. Figure +$10.
Overall Length: 21" (mm)
Weight: 2.86lbs (1.3kg)
Head: 3.5 Diameter