We Used Antique Burn Process to Make it Antique Finish. Made of High Quality Metal with heavy Rings. Material :Solid Steel , Aluminum, Brass.Top head measurements: 16" x 12.5" x 17 /. Weight : 8.5 kg Approx. The item "Boston Scuba London Marine Navy Scuba Divers Vintage Brass Diving Helmet Helmet" is in sale since Saturday, March 13, 2021. This item is in the category "Antiques\Maritime\Diving Helmets". The seller is "handmademedieval" and is located in ROORKEE, UTTARAKHAND. This item can be shipped worldwide.