8 mm, Brushed Finish Design, Polished Step Edge, with Comfort Fit.

Tayloright© Tungsten is known for its scratch-resistant finish and is guaranteed to hold its shape and shine indefinitely. The Tayloright© Tungsten "Hallmark" is engraved on the inside of the band ...  the most durable Tungsten rings to date, the best tungsten rings in the world. 

Tayloright Tungsten bands are 10 times harder than 18 kt. Gold, 5 times harder than tool steel, and 4 times harder than Titanium.

Tayloright© Tungsten rings carry a Lifetime Warranty and Lifetime Sizing.