Image 1 of 1 RealSeq® Index Primers $165.00 Barcoded PCR primers sets, with 12 barcodes per set. Order when additional barcodes are required. Indexes: Select Indexes 1-12 13-24 25-36 37-48 Quantity: Purchase Added! Barcoded PCR primers sets, with 12 barcodes per set. Order when additional barcodes are required.