The Extra Useful Stacker System allows you to get the most storage possible out of your Really Useful Transport Boxes! These Stackers have magnets sealed inside their top and the base to allow you to place additional metal trays inside your Really Useful transport box while also holding them securely in place.
By either using or removing the spacer pieces you can adjust the space between metal trays in 30mm intervals to customize your transport box for your transport needs.
Metal Trays in the display pictures are sold separately and available here
Really Useful transport boxes in the display pictures are sold separately and available here
