These cassettes are brand new, take-offs. They have been mounted on a bicycle but removed before the bicycle was ridden. There are some very tiny marks on the anodizing from adjusting the shifting - see photos. This is nice opportunity to get a discount on a great cassette. 

Compatible with SRAM Eagle 520% and SRAM Eagle AXS drivetrains. NOT compatible with flattop chains found on Transmission drivetrains. 

Specs:

10-52 tooth chainrings

Eagle 12 speed technology

XD freehub compatible