it has C one one side and D on the other. please see the photos for the numbers. the plate number is 10526. The 8 3/4 inch diameter double-sided index plate is a versatile tool for use in dividing heads and rotary tables in the CNC, metalworking, and manufacturing industries. This plate provides accurate and precise indexing for workholding and toolholding applications, ensuring efficient and accurate cutting and machining processes. With its durable construction and reliable performance, this index plate is a must-have for businesses in need of precise and accurate machining solutions.
eBay