With this you only need to have one loading block on your bench, the base block holds 25 10 or 12 gauge shells. To load any other gauge there are optional gauge insert trays that fit into the base unit they are available in 16,20,28 and 410 you just choose the one you need and put it into the base block to load you selected gauge, the inserts are color coded to make it easy to identify.
The base back has anti slip rubber feet to stop it moving around on your bench it is also supplied with screws for you to be able to fix to you loading bench if desired.
