Telescopic extension handle Metal latches and plastic handles on all boxes secure contents Designed with heavy-duty structural foam construction Maximum weight capacity is 270 lbs. Made with durability in mind, the Tactix 3-in-1 Rolling Tool Box System features telescopic extension handles, metal latches, and plastic handles to ensure secure storage and easy transport for all of your tools. The heavy-duty structural foam construction supports a maximum weight capacity of 270 lbs, making it a reliable and sturdy choice for all of your tool storage needs.