These inserts specifically fit the Milwaukee 48228435 PACKOUT Compact Organisers. JMM Solutions InsertSpecific tool this was designed for is the JMM Solutions Milwaukee Battery Solder Station/Soldering Iron (M18T12). Features: Two configurations - A - Two removable, stacking tubs at the bottom with fixed dividers B - One removable bin + removable battery tray for storing a 5ah M18 Milwaukee battery Station storage + soldering iron cutout - The station sits perfectly in a cutout with the soldering iron still attached, just insert the iron into it's spot and loop the cable around in the middle M12 Laser InsertThe specific lasers this is designed for are modelsM12C4PLA0C:https://www.milwaukeetool.com.au/power-tools/lasers/laser-levels/M12C4PLA0C.html & M12CPL-0C:https://www.milwaukeetool.com.au/power-tools/lasers/laser-levels/M12CPL-0C.html The laser target sits at the bottom underneath the larger bin and there is the option to have a second empty bin or choose the battery insert option to hold two 2ah batteries.