ECS-520-8-47-CKM-TR ECS-520-8-48-CKY-TR ECS-520-8-48-RTN-TR ECS-52-32-1 ECS-52-32-1X ECS-52-32-4 ECS-52-32-4X ECS-52-32-5P-TR ECS-52-32-5PX-TR ECS-52-S-1