[Auto-Adjust Thickness]: The panel frame features stepless auto-adjustment from zero (0) to 3/4" (zero (0) to 21mm). Once lifted, the clamp will automatically adjust to the thickness of the panel and clamp securely Tight material. It is also ideal for carrying signs (single or multiple, up to 3/4 inch thickness of the clamp). [Heavy Duty & Anti-Slip]: The sign holder is made of high quality iron, hard, durable and not easily deformed. It can carry panels weighing up to 330 pounds. Special rubber grip pads installed on both panels prevent the material from sliding and protect the material surface from damage or marks. [Make handling easier, save labor]: This panel handling tool conforms to the human body Engineering design allows you to easily transport heavy or bulky panels without mechanical assistance. You can carry them yourself without help from others. Allowing you to complete material handling tasks easier and more relaxed. [Comfortable handles reduce the risk of injury ]: The handle of the panel holder is made of soft nylon, which is comfortable and wear-resistant and can reduce hand pressure. Since it does not directly contact the panel, it can prevent cuts and greatly reduce the back, neck, shoulder, arm and hand pulling risk of injuries and injuries. [IDEAL PANEL HANDLING TOOL]: The versatile panel holder is ideal for handling plywood, drywall, particle board, glass panels, and materials that are difficult to transport or too long to handle. Carry or lift by one person .The Carrier Multi-Function Panel is a unique lifting and handling tool ideal for the construction industry.