Checkpoint 3G Hard Tags are considered the replacement for the gray Mini Hard Tag. They have a superior locking clutch and require a super detacher. Standard detacher model is also available (call for pricing on the standard version).
The Alpha S3 Counter Key is used to remove Alpha S3 product. The cradle mounts to your cash/wrap. The S3 key is attached to the cradle with a coiled lanyard. The key can be locked in to the cradle prohibiting unauthorized use.