This is the SRAM X-SYNC 2 Bosch Chainring, Speed 12. 

Features:

• Sharp, narrow tooth profile and rounded chamfer edges help manage a deflected chain
• Mud-clearing recesses
• An integral component of the SRAM 1x drivetrain

Product Specifications:

• Chainring Size    16T, 34T, 38T
• Bolt Circle Diameter (BCD)    Direct Mount (DM)
• Speeds    12
• Compat - Yaw    No
• Material (Chainring)    Steel
• Color (Chainring)    Black

Vendor Item No:

• 00.6218.013.000 (16 Teeth, BCD Direct Mount SRAM 8 Bolt, Speed 12, Narrow Wide Design: Yes)
• 00.6218.013.001 (34 Teeth, BCD Direct Mount SRAM 8 Bolt, Speed 12, Narrow Wide Design: Yes)
• 00.6218.013.002 (38 Teeth, BCD Direct Mount SRAM 8 Bolt, Speed 12, Narrow Wide Design: Yes)