This is for a Pair (2) of Carman beadlocks .. Not exactly sure much about them came out of a closing speedshop .. 

Introducing the Slammer Beadlock by Carman, part number 1815. This top-of-the-line product boasts a polished surface finish and is designed for high-performance racing. The brand is trusted by many in the industry and the manufacturer has ensured its quality to meet the demands of drag racing. This beadlock is a must-have for those seeking an edge in their racing performance.