Specifications: Color: Yellow + Black Material: Aluminum Alloy Surface Treatment: Frosted and Spraying Plastics Power Source: Manual Type: Double Core-pulling Hand Riveting Gun Pulling Rivet Range: 2.4mm-5mm Item Size: Approx. 445 * 125 * 40mm / 17.52 * 4.92 * 1.57in Item Weight: Approx. 832g / 29.36oz Package Size: Approx. 44.5 * 12 * 4.5cm / 17.52 * 4.72 * 1.77in Package Weight: Approx. 950g / 33.503oz Features: Uses 2.4-5mm diameter aluminum alloy rivets for riveting. Special nonskid handle design with high toughness and large tensile force. Take the hard work out of setting large diameter blind rivets. Long handle makes riveter easy to squeeze. Aluminum alloy rivet gun head with surface frosted and spraying plastics treatment, sturdy and durable.