DOUBLE PROTECTION SYSTEM: Equipped with 1 thick foam layer(5cm/2") + 1 thin foam layer(2.5cm/1") which effectively absorbs impacts and protects fragile items such as precision tools and glassware from scratches during transport and storage STACKABLE AND VERSATILE FOAM LAYER: Includes 2 foam inserts (thick and thin) that can be stacked or used separately. A thick layer cushions heavy tools and a thin layer secures small parts, while the set provides a flexible storage solution EPE Foam: Made of durable EPE pearl cotton, 405x305x25mm and 405x305x50mm size provides lightweight yet resilient protection to organize your versatile tools PRECISE FIT TO YOUR TOOL BOX: Designed specifically for the 48228442, 48228443 Toolbox and fits perfectly to the tool's movements. Modular design allows for easy trimming to fit various tool shapes such as screwdrivers and measuring instruments 48228435: Specially designed to fit the original toolbox structure and enhance the tool with seamless compatibility and secure placement, Manufacturer: Lerpwige