Comparison : Item # CR-1/2-B, CR-B, CR-XB Hex Slot
Item # CR-5/8-B, CR-B, CR-XB Hex Slot
Item # CR-3/4-B, CR-B, CR-XB Hex Slot
Item # CR-7/8-B, CR-B, CR-XB Hex Slot
Item # CR-1-B, CR-B, CR-XB Hex Slot