QRT Hammers/Universal Organizer Racks w/embedded magnets2,3,4,5,6,7 and 8 Slot options available. If you want a 7 slot, order a 4 and 3 slot just specificy in the notes you wish for it to be 7 slots etc. this can be done for 8 slot as well just order 2 4 slots etc. This is due to limitations on variations with the platform. Lengths are 8 Slot 284mm , 7 Slot 249mm, 6 Slot 213mm, 5 Slot 178mm, 4 Slot 142mm, 3 Slot 107mm, 2 Slot 71.5mm All Racks are 62mm Tall Magnets hold holder to the drawer surface. Does not magnetically hold the tool in place. Important Notes All QRT Products are Proudly Manufactured here in the USA using Globally Sourced Materials. Using only the best, Current and state of the art Bambu Lab 3D Printers. Thanks for supporting our small home business. NO TOOLS INCLUDED.